How to cite a book in Chicago (author-date)
A printed or electronic book with one or more authors. Chicago's author-date system. Dominant in history, sociology, and the natural sciences.
Quick answer
To cite a book in Chicago (author-date), include the author(s), year, title, and container or publisher details. A concrete example is below.
Example
Kahneman, D.. 2011. "Thinking, Fast and Slow." Farrar, Straus and Giroux.
This example is rendered with the official CSL definition for Chicago (author-date). For the exact style required by your journal, paste your references into DEEPNOTIS and pick that style from the dropdown — the app covers 2,800+ variants.
What you need
For a book, Chicago (author-date) expects these fields at minimum:
- Author(s)
- Year of publication
- Book title (italicized in most styles)
- Publisher
- Place of publication (some styles)
- ISBN (optional but recommended)
Common mistakes
- Mixing bibliography formatting with in-text citation rules. Reference-list entries and in-text cites follow different patterns — use the style's official guide for both.
- Forgetting the DOI. When a DOI exists, most styles now require it (usually as a full https://doi.org/… URL).
- Inconsistent capitalization. APA uses sentence case for titles; MLA and Chicago use title case. Mixing them is the single most common style error.
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Last updated: 5 May 2026