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Citation Guide: Chicago

Citation help for popular styles such APA, MLA, and Chicago, as well as some of the less common styles such as ACS and CSE.

Chicago Style

The Chicago Manual of Style provides guidance for citing ChatGPT and generative AI tools within an online Q&A, such as in this example.   

Note example: 
1. Text generated by ChatGPT, May 24, 2023, OpenAI. https://chat.openai.com/ 
 
Bibliography example
OpenAI. Text generated by ChatGPT, Version GPT-3.5. Accessed May 24, 2023. https://chat.openai.com/chat

Author-Date: Sample Citations

Book

Book with Author

Grazer, Brian, and Charles Fishman. 2015. A Curious Mind: The Secret to a Bigger Life. New York: Simon & Schuster.

 

Book Chapter

Thoreau, Henry David. 2016. “Walking.” In The Making of the American Essay, edited by John D’Agata, 167–95. Minneapolis: Graywolf Press.

Translated book

Lahiri, Jhumpa. 2016. In Other Words. Translated by Ann Goldstein. New York: Alfred A. Knopf.

E-book

Austen, Jane. 2007. Pride and Prejudice. New York: Penguin Classics. Kindle.

Borel, Brooke. 2016. The Chicago Guide to Fact-Checking. Chicago: University of Chicago Press. ProQuest Ebrary.

 

Journal articles

Keng, Shao-Hsun, Chun-Hung Lin, and Peter F. Orazem. 2017. “Expanding College Access in Taiwan, 1978–2014: Effects on Graduate Quality and Income Inequality.” Journal of Human Capital 11, no. 1 (Spring): 1–34. https://doi.org/10.1086/690235.

LaSalle, Peter. 2017. “Conundrum: A Story about Reading.” New England Review 38 (1): 95–109. Project MUSE.

Satterfield, Susan. 2016. “Livy and the Pax Deum.” Classical Philology 111, no. 2 (April): 165–76.

 

Journal articles often list many authors, especially in the sciences. If there are four or more authors, list up to ten in the reference list; in the text, list only the first, followed by et al. (“and others”). For more than ten authors (not shown here), list the first seven in the reference list, followed by et al.

Journal article  with 4 or more authors

Bay, Rachael A., Noah Rose, Rowan Barrett, Louis Bernatchez, Cameron K. Ghalambor, Jesse R. Lasky, Rachel B. Brem, Stephen R. Palumbi, and Peter Ralph. 2017. “Predicting Responses to Contemporary Environmental Change Using Evolutionary Response Architectures.” American Naturalist 189, no. 5 (May): 463–73. https://doi.org/10.1086/691233.

 

News or magazine article

Manjoo, Farhad. 2017. “Snap Makes a Bet on the Cultural Supremacy of the Camera.” New York Times, March 8, 2017. https://www.nytimes.com/2017/03/08/technology/snap-makes-a-bet-on-the-cultural-supremacy-of-the-camera.html.

Mead, Rebecca. 2017. “The Prophet of Dystopia.” New Yorker, April 17, 2017.

 

Interview

Stamper, Kory. 2017. “From ‘F-Bomb’ to ‘Photobomb,’ How the Dictionary Keeps Up with English.” Interview by Terry Gross. Fresh Air, NPR, April 19, 2017. Audio, 35:25. http://www.npr.org/2017/04/19/524618639/from-f-bomb-to-photobomb-how-the-dictionary-keeps-up-with-english.

Thesis or dissertation

Rutz, Cynthia Lillian. 2013. “King Lear and Its Folktale Analogues.” PhD diss., University of Chicago.

Website 

Bouman, Katie. 2016. “How to Take a Picture of a Black Hole.” Filmed November 2016 at TEDxBeaconStreet, Brookline, MA. Video, 12:51. https://www.ted.com/talks/katie_bouman_what_does_a_black_hole_look_like.

Google. 2017. “Privacy Policy.” Privacy & Terms. Last modified April 17, 2017. https://www.google.com/policies/privacy/.

 

Notes & Bib: Sample Citations 

Book

Notes

1. Zadie Smith, Swing Time (New York: Penguin Press, 2016), 315–16.

2. Brian Grazer and Charles Fishman, A Curious Mind: The Secret to a Bigger Life (New York: Simon & Schuster, 2015), 12.

Shortened notes

3. Smith, Swing Time, 320.

4. Grazer and Fishman, Curious Mind, 37.

Bibliography entries (in alphabetical order)

Grazer, Brian, and Charles Fishman. A Curious Mind: The Secret to a Bigger Life. New York: Simon & Schuster, 2015.

Smith, Zadie. Swing Time. New York: Penguin Press, 2016.

Chapter or other part of an edited book

In a note, cite specific pages. In the bibliography, include the page range for the chapter or part.

Note

1. Henry David Thoreau, “Walking,” in The Making of the American Essay, ed. John D’Agata (Minneapolis: Graywolf Press, 2016), 177–78.

Shortened note

2. Thoreau, “Walking,” 182.

Bibliography entry

Thoreau, Henry David. “Walking.” In The Making of the American Essay, edited by John D’Agata, 167–95. Minneapolis: Graywolf Press, 2016.

In some cases, you may want to cite the collection as a whole instead.

Translated book

Note

1. Jhumpa Lahiri, In Other Words, trans. Ann Goldstein (New York: Alfred A. Knopf, 2016), 146.

Shortened note

2. Lahiri, In Other Words, 184.

Bibliography entry

Lahiri, Jhumpa. In Other Words. Translated by Ann Goldstein. New York: Alfred A. Knopf, 2016.

E-book

For books consulted online, include a URL or the name of the database. For other types of e-books, name the format. If no fixed page numbers are available, cite a section title or a chapter or other number in the notes, if any (or simply omit).

Notes

Herman Melville, Moby-Dick; or, The Whale (New York: Harper & Brothers, 1851), 627, http://mel.hofstra.edu/moby-dick-the-whale-proofs.html.

Philip B. Kurland and Ralph Lerner, eds., The Founders’ Constitution (Chicago: University of Chicago Press, 1987), chap. 10, doc. 19, http://press-pubs.uchicago.edu/founders/.

Brooke Borel, The Chicago Guide to Fact-Checking (Chicago: University of Chicago Press, 2016), 92, ProQuest Ebrary.

Jane Austen, Pride and Prejudice (New York: Penguin Classics, 2007), chap. 3, Kindle.

Shortened notes

 Melville, Moby-Dick, 722–23.

 Kurland and Lerner, Founders’ Constitution, chap. 4, doc. 29.

 Borel, Fact-Checking, 104–5.

Austen, Pride and Prejudice, chap. 14.

Bibliography entries (in alphabetical order)

Austen, Jane. Pride and Prejudice. New York: Penguin Classics, 2007. Kindle.

Borel, Brooke. The Chicago Guide to Fact-Checking. Chicago: University of Chicago Press, 2016. ProQuest Ebrary.

Kurland, Philip B., and Ralph Lerner, eds. The Founders’ Constitution. Chicago: University of Chicago Press, 1987. http://press-pubs.uchicago.edu/founders/.

Melville, Herman. Moby-Dick; or, The Whale. New York: Harper & Brothers, 1851. http://mel.hofstra.edu/moby-dick-the-whale-proofs.html.

Journal article

In a note, cite specific page numbers. In the bibliography, include the page range for the whole article. For articles consulted online, include a URL or the name of the database. Many journal articles list a DOI (Digital Object Identifier). A DOI forms a permanent URL that begins https://doi.org/. This URL is preferable to the URL that appears in your browser’s address bar.

Notes

1. Susan Satterfield, “Livy and the Pax Deum,” Classical Philology 111, no. 2 (April 2016): 170.

2. Shao-Hsun Keng, Chun-Hung Lin, and Peter F. Orazem, “Expanding College Access in Taiwan, 1978–2014: Effects on Graduate Quality and Income Inequality,” Journal of Human Capital 11, no. 1 (Spring 2017): 9–10, https://doi.org/10.1086/690235.

3. Peter LaSalle, “Conundrum: A Story about Reading,” New England Review 38, no. 1 (2017): 95, Project MUSE.

Shortened notes

 Satterfield, “Livy,” 172–73.

 Keng, Lin, and Orazem, “Expanding College Access,” 23.

 LaSalle, “Conundrum,” 101.

Bibliography entries (in alphabetical order)

Keng, Shao-Hsun, Chun-Hung Lin, and Peter F. Orazem. “Expanding College Access in Taiwan, 1978–2014: Effects on Graduate Quality and Income Inequality.” Journal of Human Capital 11, no. 1 (Spring 2017): 1–34. https://doi.org/10.1086/690235.

LaSalle, Peter. “Conundrum: A Story about Reading.” New England Review 38, no. 1 (2017): 95–109. Project MUSE.

Satterfield, Susan. “Livy and the Pax Deum.” Classical Philology 111, no. 2 (April 2016): 165–76.

Journal articles with four or more authors

Journal articles often list many authors, especially in the sciences. If there are four or more authors, list up to ten in the bibliography; in a note, list only the first, followed by et al. (“and others”). For more than ten authors (not shown here), list the first seven in the bibliography, followed by et al.

Note

7. Rachel A. Bay et al., “Predicting Responses to Contemporary Environmental Change Using Evolutionary Response Architectures,” American Naturalist 189, no. 5 (May 2017): 465, https://doi.org/10.1086/691233.

Shortened note

 Bay et al., “Predicting Responses,” 466.

Bibliography entry

Bay, Rachael A., Noah Rose, Rowan Barrett, Louis Bernatchez, Cameron K. Ghalambor, Jesse R. Lasky, Rachel B. Brem, Stephen R. Palumbi, and Peter Ralph. “Predicting Responses to Contemporary Environmental Change Using Evolutionary Response Architectures.” American Naturalist 189, no. 5 (May 2017): 463–73. https://doi.org/10.1086/691233.

News or magazine article

Articles from newspapers or news sites, magazines, blogs, and the like are cited similarly. Page numbers, if any, can be cited in a note but are omitted from a bibliography entry. If you consulted the article online, include a URL or the name of the database.

Notes

1. Rebecca Mead, “The Prophet of Dystopia,” New Yorker, April 17, 2017, 43.

2. Rob Pegoraro, “Apple’s iPhone Is Sleek, Smart and Simple,” Washington Post, July 5, 2007, LexisNexis Academic.

4. Tanya Pai, “The Squishy, Sugary History of Peeps,” Vox, April 11, 2017, http://www.vox.com/culture/2017/4/11/15209084/peeps-easter.

Shortened notes

Mead, “Dystopia,” 47.

Pegoraro, “Apple’s iPhone.”

Pai, “History of Peeps.”

Bibliography entries (in alphabetical order)

Mead, Rebecca. “The Prophet of Dystopia.” New Yorker, April 17, 2017.

Pai, Tanya. “The Squishy, Sugary History of Peeps.” Vox, April 11, 2017. http://www.vox.com/culture/2017/4/11/15209084/peeps-easter.

Pegoraro, Rob. “Apple’s iPhone Is Sleek, Smart and Simple.” Washington Post, July 5, 2007. LexisNexis Academic.

Book review

Note

1. Michiko Kakutani, “Friendship Takes a Path That Diverges,” review of Swing Time, by Zadie Smith, New York Times, November 7, 2016.

Shortened note

 Kakutani, “Friendship.”

Bibliography entry

Kakutani, Michiko. “Friendship Takes a Path That Diverges.” Review of Swing Time, by Zadie Smith. New York Times, November 7, 2016.

Interview

Note

1. Kory Stamper, “From ‘F-Bomb’ to ‘Photobomb,’ How the Dictionary Keeps Up with English,” interview by Terry Gross, Fresh Air, NPR, April 19, 2017, audio, 35:25, http://www.npr.org/2017/04/19/524618639/from-f-bomb-to-photobomb-how-the-dictionary-keeps-up-with-english.

Shortened note

Stamper, interview.

Bibliography entry

Stamper, Kory. “From ‘F-Bomb’ to ‘Photobomb,’ How the Dictionary Keeps Up with English.” Interview by Terry Gross. Fresh Air, NPR, April 19, 2017. Audio, 35:25. http://www.npr.org/2017/04/19/524618639/from-f-bomb-to-photobomb-how-the-dictionary-keeps-up-with-english.

Thesis or dissertation

Note

1. Cynthia Lillian Rutz, “King Lear and Its Folktale Analogues” (PhD diss., University of Chicago, 2013), 99–100.

Shortened note

 Rutz, “King Lear,” 158.

Bibliography entry

Rutz, Cynthia Lillian. “King Lear and Its Folktale Analogues.” PhD diss., University of Chicago, 2013.

Website content

It is often sufficient simply to describe web pages and other website content in the text (“As of May 1, 2017, Yale’s home page listed . . .”). If a more formal citation is needed, it may be styled like the examples below. For a source that does not list a date of publication or revision, include an access date (as in example note 2).

Notes

1. “Privacy Policy,” Privacy & Terms, Google, last modified April 17, 2017, https://www.google.com/policies/privacy/.

2. “About Yale: Yale Facts,” Yale University, accessed May 1, 2017, https://www.yale.edu/about-yale/yale-facts.

3. Katie Bouman, “How to Take a Picture of a Black Hole,” filmed November 2016 at TEDxBeaconStreet, Brookline, MA, video, 12:51, https://www.ted.com/talks/katie_bouman_what_does_a_black_hole_look_like.

Shortened notes

Google, “Privacy Policy.”

“Yale Facts.”

Bouman, “Black Hole.”

Bibliography entries (in alphabetical order)

Bouman, Katie. “How to Take a Picture of a Black Hole.” Filmed November 2016 at TEDxBeaconStreet, Brookline, MA. Video, 12:51. https://www.ted.com/talks/katie_bouman_what_does_a_black_hole_look_like.

Google. “Privacy Policy.” Privacy & Terms. Last modified April 17, 2017. https://www.google.com/policies/privacy/.

Yale University. “About Yale: Yale Facts.” Accessed May 1, 2017. https://www.yale.edu/about-yale/yale-facts.

 

 

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