How does Chicago Author-Date in-text citation work?

A parenthetical citation gives the author's surname and year, for example (Smith 2020), and optionally a page number, for example (Smith 2020, 45). The reference list provides the full details.

Is Chicago Author-Date the same as APA?

Both are author-date styles, but they differ in formatting details such as how titles are capitalised, how publisher information is presented, and how the reference list is structured.

Which version of Chicago should I use?

Choose the variant your institution or publisher requires. Notes and Bibliography is more common in history and the arts; Author-Date is more common in the sciences and social sciences.

Chicago 17th (Author-Date) Citation Generator

Generate accurate Chicago 17th (Author-Date) citations in seconds. Search by title, DOI, ISBN, or URL — or add references manually. Free, instant, and works for books, journal articles, websites, and more.

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What is Chicago 17th (Author-Date)?

Chicago 17th edition Author-Date is a variant of the Chicago style that uses parenthetical author-year in-text citations, following the same principles as APA. It is common in the sciences and social sciences that prefer Chicago formatting.

How to cite in Chicago 17th (Author-Date)

Worked examples generated by CiteOrbit:

Book: Kuhn, Thomas S. 1962. The Structure of Scientific Revolutions. University of Chicago Press.
Journal article: Hilal, Nishida. 2026. “Anxiety and Depression among Medical Students.” European Journal of Medical and Health Sciences 8 (1): 1–2. https://doi.org/10.24018/ejmed.2026.8.1.1.
Website: CiteOrbit. 2026. “What Is a Citation?” CiteOrbit, January 1. https://citeorbit.com/citation-generator.

Chicago 17th (Author-Date) FAQ

How does Chicago Author-Date in-text citation work?: A parenthetical citation gives the author's surname and year, for example (Smith 2020), and optionally a page number, for example (Smith 2020, 45). The reference list provides the full details.
Is Chicago Author-Date the same as APA?: Both are author-date styles, but they differ in formatting details such as how titles are capitalised, how publisher information is presented, and how the reference list is structured.
Which version of Chicago should I use?: Choose the variant your institution or publisher requires. Notes and Bibliography is more common in history and the arts; Author-Date is more common in the sciences and social sciences.