The Chicago Manual of Style, 17th Edition
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Chicago/ Turabian style uses Author-Date and annotations to reference sources in text. Writers often use notes to add commentary about the source, such as a distinguishing feature of the edition, format, or to explain style decisions of how they referenced it. Endnotes can be placed at the end of a chapter or in a separate section at the end of an article or book. Chicago/ Turabian also allows writers to refer to the same source repeatedly while reducing bulk in the text.
Chicago Manual of Style Guidelines : Quickstudy Digital Guide
(Author Date) or (Author Date, Page Number)
This format focuses on the creator and the publication date of the source that is being referenced.
reference¹
1. Author, Title, (Publication Information).
Notes and bibliography style are formatted with a superscript in text and with: an shortened citation in a footnote and full citation in the endnotes OR a full citation in the footnote.