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The Ink Spot KSU WRITING CENTER
Chicago 18th Style & Citation Spo KSU WRITING
The Chicago Manual of Style (CMOS) is an academic formatting style with many variations. Humanities, like history and fine arts, utilize the Notes and Bibliography (NB) format, while social sciences use the Author-Date format.
Why use the Chicago Manual of Style (CMOS)?
CMOS is a flexible formatting style that allows authors the chance to use in-text citations or footnotes, reference pages or bibliographies, superscript or traditional numbering, endnotes, or headings. These differences depend on the variant of CMOS that you are using. There are three CMOS variants:
Turbian
student-oriented
uses superscript for Notes and Bibliography
Notes and Bibliography (NB) 4-9
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for the humanities
uses a Bibliography alongside endnotes or footnotes
allows you more space to elaborate on your sources
○ (This handout will be using the Turabian superscript version.)
Author-Date
10-15
for various sciences and business
similar to APA
uses a Reference list with author-date in-text citations
Style
• Fonts and Font Sizes
Times New Roman, 12 pt.
Calibri, 12 pt.
Arial, 11 pt.
Garamond, 12 pt.
• Spacing
Double-spaced
■ any body text
block quotes
■ space between footnotes or endnotes and reference list or bibliography entries
Single-spaced
footnote or endnote text
reference list or bibliography text
• Headers and Title Pages
Headers:
■ for shorter, less formal papers
at top left of first page, double spaced
Name ..... John Smith
Instructor ..... Dr. Jameson
Class ..... PSYCH 101
Due Date ..... February 4, 2026
Title ___ (centered, regular text)
Title Pages:
■ for longer formal papers
first page of paper, no page number, all double spaced, all centered
Title
bolded, 1/3rd of the way down, subtitle under main title
Name
2/3rds of the way down
Class
right under name, full class name
(e.g., Sociology 428: Effects of Peer Pressure)
Due Date
right under class (e.g., January 1, 2026)
Style
• Page Numbers
same font and font size as the rest of the paper
top right of the page
only the number
if there is a title page, page 1 starts on the page right after the title page
Headings
CMOS does not have a standardized heading set, but Turabian has a recommended heading list that can be used. See chart and examples below. (from Purdue OWL Chicago General Format page, linked above)
For all headers, except level 5, you should create a new line underneath.
LevelFormat
1Centered, Boldface or Italicized, Headline-style Capitalization
2Centered, Regular Type, Headline-style Capitalization
3Flush Left, Boldface or Italicized, Headline-style Capitalization
4Flush left, regular type, sentence-style capitalization
5Runs into start of paragraph (no line after), boldface or italicized, sentence-style capitalization, period after.
*****
Climate Change in the Arctic
Arctic Wildlife Behavioral Changes
Changes in Arctic Pinniped Behavior
Dietary changes in walrus populations.
Pacific walrus reliance on land foraging. The Pacific walrus eats less fish and...
Notes and Bibliography Citations
• Build a footnote/endnote for journal articles...
Author,
the creator/s || YES: John Smith; NO: Smith, John
Notice the punctuation after each numbered section. That is the actual punctuation you will use when building the citation.
“Title,”
capitalize every significant word
Journal
always italicize the journal; no punctuation after
Volume,
right after the journal
no. Issue
■ should have “no.” before the numeral; ex: no. 2
(Publication Date):
ex: January 1, 2026
Page or Pages,
■ for ranges, use an en dash between numerals, not a hyphen
Location
the link to the work; when possible, use a DOI
Shortened Version
Last Name, "Shortened Title," Page number/s.
Smith, “Soccer Statistics,” 20–37.
• Build a footnote/endnote for books...
Author,
the creator/s; YES: John Smith || NO: Smith, John
Title,
capitalize every significant word; always italicize; no punctuation after if no edition listed
Edition.
use "ed." after a numeral; 2nd ed. || 5th ed.
(Publisher, Date of Publication),
exclude business suffixes, like "Inc." or "LLC;" ex: January 1, 2026
Page or Pages,
■ for ranges, use an en dash between numerals, not a hyphen
Location
the link to the work, if applicable
Shortened Version
Last Name, "Shortened Title," Page number/s.
■ Melville, Moby Dick, 29–30.
Notes and Bibliography Citations
ARTICLE: NB-style Bibliography
Dittmar, Emily L., and Douglas W. Schemske. “Temporal Variation in Selection Influences Microgeographic Local Adaptation.” American Naturalist 202, no. 4 (2023): 471–85. https://doi.org/10.1086/725865.
○ Articles
Author/s.
creator/s of the work, end with a period
Bibliography:
list up to six
notice how the last is formatted above
if more than six, list the first three followed by “ et al.”
Notes:
list up to two
if more than two, in notes list the first followed by “et al.”
■ “Title.”
in quotations, capitalize all important words, end with a period
■ Journal
in italics, capitalize all important words
Volume,
volume number of the journal, end with a comma
no. Issue
issue number of the journal, include "no." before the numeral
(Publication Year):
year of publication, place in parentheses, end with a colon
Page-Range.
which journal pages the article is on, separate with en dash, end with a period
Location.
the link to the work, try to use a DOI, end with a period
Hanging Indent
every line after the first, should be half an inch forward
Notes and Bibliography Citations
BOOK: NB-style Bibliography
Yu, Charles. Interior Chinatown. Pantheon Books, 2020. Kindle.
○ Books
Author/s.
creator/s of the work, end with a period
follows the same rules as articles
Title.
in italics, capitalize all important words, end with a period
Publisher.
publishing company or group or university, end with a comma
Publication Year.
end with a period
Container OR Location.
Container
if applicable, the electronic format the book was read on (see above), end with a period
Location
Hanging Indent
if applicable, the URL or DOI where the work can be found
preferred, but use the container if the link is too long
every line after the first should be half an inch forward
Notes and Bibliography Citations
WEBPAGE: NB-style Bibliography
Yale University. "About Yale: Yale Facts." Accessed March 8, 2022. https://www.yale.edu/about-yale/yale-facts.
Webpages
■ Author/s or Organization.
creator/s of the work, end with a period
ignore “The” when alphabetizing
follows the same rules as articles
■ “Title.”
in quotations, capitalize all important words, end with a period
■ Accessed/Retrieved/Published/Archived/Updated Date.
Month Day, Year format, end with a period
important date for webpage, such as the day it was accessed, archived, published, updated, etc.
should be a date that adds important information about the source, such as “Updated...” for a breaking news article or “Retrieved...” for an archived webpage
Location.
the webpage's URL, end with a period
Hanging Indent
every line after the first, should be half an inch forward
Notes and Bibliography Citations
Notes and Bibliography (NB) Footnotes and Endnotes
This format uses superscript, footnotes or endnotes in-text citations, and a bibliography for the citation list.
In Word, when you need a footnote with a corresponding superscript, click the “References” tab and then click “Insert Footnote” after all punctuation.
If you want endnotes, you will have to put the superscript in yourself and make an endnote page/s at the end before the bibliography.
Make sure the notes are the same font and size as your main text.
Singular notes should be single-spaced but double-spaced between.
You may use regular numbers or superscripts in the notes.
The numbers seen at the end (or before links) are the page numbers.
■ All example citations in both this section and the bibliography section are from CMOS official website, which is linked above.
In-Text CitationFootnote/EndnoteBibliography Citation
This is an example book.1 This is an example of the same author and work again.21 Herman Melville, Moby-Dick; or, The Whale (New York, 1851), 222, https://melville.electroniclibrary.org/moby-dick-side-by-side. Notes can be added like this.2 Melville, Moby Dick, 223-247.Melville, Herman. Moby-Dick; or, The Whale. New York, 1851. https://melville.electroniclibrary.org/moby-dick-side-by-side.
This is an example journal.1 This is an example of the same author and work again.21. B. T. Hebert, “The Island of Bolsö: A Study of Norwegian Life,” Sociological Review 17, no. 4 (1925): 310, https://doi.org/10.1111/j.1467-954X.1925.tb0155.2. Hebert, “Island of Bolsö,” 311. Notes can be added like this.Hebert, B. T. “The Island of Bolsö: A Study of Norwegian Life.” Sociological Review 17, no. 4 (1925): 307-13. https://doi.org/10.1111/j.1467-954X.1925.tb0155.2. Hebert, “Island of Bolsö,” 311. Notes can be added like this.
This is an example webpage.1 This is an example of the same site again.21 “About Yale: Yale Facts,” Yale University, accessed March 8, 2022, https://www.yale.edu/about-yale/yale-facts.2 “Yale Facts.”Yale University. “About Yale: Yale Facts.” Accessed March 8, 2022. https://www.yale.edu/about-yale/yale-facts.
Bibliography
• NB-Style Bibliography
This page should be at the very end of your paper, unless you have an appendix or index. (Formatting rules based on Purdue OWL sample paper.)
It should:
start a new page.
include "Bibliography" at the top, centered (without quotation marks).
alphabetized by author's last name.
alphabetize by title if no author is listed.
alphabetize by the first significant word in an organization's name (e.g., use the word after "The" when alphabetizing).
have single-spaced text with a blank line between entries.
have two blank lines between “Bibliography” and the first citation.
22
Bibliography
The Association of Public and Land-Grant Universities. “About Us.” Accessed August 28, 2025. https://www.aplu.org/about-us/
Hebert, B. T. “The Island of Bolsō: A Study of Norwegian Life.” Sociological Review 17, no. 4 (1925): 307–13. https://doi.org/10.1111/j.1467-954X.1925.tb0155.
Melville, Herman. Moby-Dick; or, The Whale. New York, 1851. https://melville.electroniclibrary.org/moby-dick-side-by-side.
Oliver, Eric. “Why So Many Americans Believe in So Many ‘Crazy’ Things.” Moderated by Andrew McCall. Virtual lecture, February 23, 2022. Posted March 21, 2022, by University of Chicago. YouTube, 1:01:45. https://youtu.be/hfq7AnCF5bg.
Yale University. “About Yale: Yale Facts.” Accessed March 8, 2022. https://www.yale.edu/about-yale/yale-facts.
Author-Date Citations
• Build an in-text citation for journal articles and books...
○ Author
the last names of any creators
if two, separate with “and” || Kominsky and Nguyen
■ if three or more, follow the first last name with “ et al.” || Dror et al.
○ Publication Year,
the year of publication comes after the author, no comma between || (Kominsky and Nguyen 2022); (Dror et al. 2017)
○ Pages or Chapter (if applicable)
if quoting or referencing a specific passage, then include page numbers or—if no page numbers—another indicator, like chapter
use an en dash between numerals, not a hyphen
only use the number for pages, do not include a "p." or "pp."
■ for chapters, use chap.
if digits stay the same, then they should be left out || 1835-36 (instead of 1835-1836); 24-6 (instead of 24-26)
○ Examples
(Kominsky and Nguyen 2022, 1835–36)
(Dror et al. 2017, chap. 11)
(Johnson 2025)
Author-Date Citations
• ARTICLE: Author-Date Reference List
Dittmar, Emily L., and Douglas W. Schemske. 2023. “Temporal Variation in Selection Influences Microgeographic Local Adaptation.” American Naturalist 202 (4): 471–85. https://doi.org/10.1086/725865.
○ Articles
■ Author/s.
creator/s of the work, end with a period
References list
list up to six
notice how the last is formatted above
if more than six, list the first three followed by “ et al.”
Publication Year.
year of publication, end with a period
■ “Title.”
in quotations, capitalize all important words, end with a period
Journal
in italics, capitalize all important words
Volume
volume number of the journal, end with a comma
(Issue):
issue number of the journal, placed in parentheses, end with a colon
Page-Range.
the journal pages the article is on, separate with an en dash, end with a period
Location.
the link to the work, try to us a DOI, end with a period
Hanging Indent
every line after the first, should be half an inch forward
Author-Date Citations
BOOK: Author-Date Reference List
Yu, Charles. 2020. Interior Chinatown. Pantheon Books.
○ Books
Author/s.
creator/s of the work, end with a period
follows the same rules as articles
Publication Year.
end with a period
Title.
in italics, capitalize all important words, end with a period
Publisher.
publishing company or group or university, end with a period
Hanging Indent
every line after the first should be half an inch forward
Author-Date Citations
• WEBPAGE: Author-Date Reference List
Yale University. n.d. “About Yale: Yale Facts.” Accessed March 8, 2022. https://www.yale.edu/about-yale/yale-facts.
Webpages
■ Author/s or Organization.
creator/s of the work, end with a period
ignore “The” when alphabetizing
follows the same rules as articles
Publication Year.
end with a period
as seen above, if no date is listed, write “ n.d.”
■ “Title.”
in quotation marks, capitalize all important words, end with a period
■ Accessed/Retrieved/Published/Archived/Updated Date.
Month Day, Year format, end with a period
important date for webpage, such as the day it was accessed, archived, published, updated, etc.
should be a date that adds important information about the source, such as “Updated...” for a breaking news article or “Retrieved...” for an archived webpage
Location.
the webpage's URL, end with a period
Hanging Indent
every line after the first, should be half an inch forward
Author-Date Citations
• Author-Date In-Text Citation Variants
This format uses authors' names, publication years, and page/chapter numbers all in parentheses with very specific commas, similar to APA.
This format is NOT identical to APA. It has its own rules.
■ Review the NB-Style pages for notes on listing three or more authors.
■ Author and publication year will NOT have a comma between them.
Publication year and page numbers/chapters WILL have a comma.
Page numbers and chapters are not essential for the in-text citation, if not directly quoting a specific portion of the work.
Use “and” between two authors, not “&”
■ Use an en dash for page number ranges, not a hyphen
If any digits in a range stay the same, omit them
Ex: if you are referencing something from page 105 to page 117, then you would write 105-17.
■ Write " et al. " like this, with the period only after "al."
Narrative In-Text CitationParenthetical In-Text CitationReference List Citation Examples
Gutierrez and Durham (2023, 27) argue that “This is a sample quotation.”This is a sample sentence that references a specific portion of the research (Osman 2019, 53-8).Gutierrez, Carmen I. and Gerald W. Durham. 2023. “Iberian Agriculture: Portuguese-Spanish Agricultural Relations.” The Agricultural Review 47 (3): 20-58. https://doi.org/10.33902/JPR.202423833.
In 2023, Gutierrez and Durham argue, “This is a sample quotation” (27).This is a sample sentence that references a non-specific portion of the research, such as the overall findings or argument (Osman 2019).Osman, Dawoud. 2019. The Moroccan Olive Market. Translated by Horace Benson. University of Tehran Press.
Gutierrez and Durham (2023, 27) argue that this is an example paraphrase.This is a sample sentence that references multiple sources’ findings, using Osman first (Osman 2019; Gutierrez and Durham 2023)
Reference List
• Author-Date Reference List
This page should be at the very end of your paper, unless you have an appendix or index. (Formatting rules based on Purdue OWL sample paper.)
Review the NB-Style pages for notes on listing three or more authors.
It should:
start a new page.
include “References” at the top, centered (without quotation marks).
alphabetized by author's last name.
alphabetize by title if no author listed.
alphabetize by the first significant word in an organization's name (e.g., use the word after "The" when alphabetizing).
have single-spaced text with a blank line between entries.
have two blank lines between “References” and the first citation.
22
References
Gutierrez, Carmen I. and Gerald W. Durham. 2023. “Iberian Agriculture: Portuguese-Spanish Agricultural Relations.” The Agricultural Review 47 (3): 20–58. https://doi.org/10.33902/JPR.202423833.
Nesi, Annalisa. 1994. “An Overview of the Linguistic and Literary History of Corsica.” Journal of Mediterranean Studies 4 (1): 16–27. https://muse.jhu.edu/article/670031.
Osman, Dawoud. 2019. The Moroccan Olive Market. Translated by Horace Benson. University of Tehran Press.
Yale University. n.d. “About Yale: Yale Facts.” Accessed March 8, 2022. https://www.yale.edu/about-yale/yale-facts.