For information on using Chicago style to cite sources both in-text and on the Works Cited page of a research paper, consult the printed manual. The latest edition is the 17th (2017).
The Chicago Manual of Style, 17e (2017)
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A Manual for Writers of Research Papers, Theses, and Dissertations, 9e (2018)
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Reference list for author-date style: not needed--cite in text only.
In-text CMOS author-date style example: (ChatGPT, March 7, 2023).