Chicago and Turabian and very similar styles, so their resources are combined. The Turabian guide is shorter, while the Chicago Manual of Style is designed for publishing professionals. Turabian is based on the Chicago Manual of Style.
Both books are in the Reference Collection.
Chicago Manual of Style (16th ed): Z 253 C57 16th ed. 2010
A Manual for Writers of Term Papers, Theses, and Dissertations (Turabian): LB 2369 T8 1996
Chicago-Style Citation Quick Guide from The Chicago Manual of Style Online
New Questions and Answers from the Chicago Manual of Style Online
Chicago Manual of Style, 16th Edition from the Purdue Online Writing Lab
The Chicago Manual of Style Bibliographic Format for References from the University of Georgia Libraries
Turabian Quick Guide from the University of Chicago Press
Turabian Footnote/Endnote Style from Georgetown University Library
Turabian Style:In-text Citations and List of References from University of Georgia Libraries