Chicago and Turabian
Chicago Manual of Style
Chicago Manual of Style, 15th edition. (2003)
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A Manual for Writers of Term Papers, Theses, and Dissertations, Kate L. Turabian, 6th edition. (1996)
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Major Rule Changes in the 15th edition of Chicago Manual of Style
Chicago-Style Citation Quick Guide
Chicago Style Research Guide - University of Georgia Libraries
Turabian Style Guide - Bucknell