This guide to Chicago Style from the OWL at Purdue explains the Notes Bibliography style for Chicago and shows examples for formatting a research paper and its citations. It also has a brief section on Author Date style.
If you can't get a copy of the book, this brief guide from the publisher's website gives you the basics of the style for both Notes Bibliography and Author Date.
Common History Paper Citations (using Turabian/Chicago style)
Chapter or other part of a book
Footnote:
5. Andrew Wiese, “‘The House I Live In’: Race, Class, and African American Suburban Dreams in the Postwar United States,” in The New Suburban History, ed. Kevin M. Kruse and Thomas J. Sugrue (Chicago: University of Chicago Press, 2006), 101–2.
Bibliography entry:
Wiese, Andrew. “‘The House I Live In’: Race, Class, and African American Suburban Dreams in the Postwar United States.” In The New Suburban History, edited by Kevin M. Kruse and Thomas J. Sugrue, 99–119. Chicago: University of Chicago Press, 2006.
Chapter of an edited volume originally published elsewhere (as in primary sources)
Footnote:
8. Quintus Tullius Cicero. “Handbook on Canvassing for the Consulship,” in Rome: Late Republic and Principate, ed. Walter Emil Kaegi Jr. and Peter White, vol. 2 of University of Chicago Readings in Western Civilization, ed. John Boyer and Julius Kirshner (Chicago: University of Chicago Press, 1986), 35.
Bibliography entry:
Cicero, Quintus Tullius. “Handbook on Canvassing for the Consulship.” In Rome: Late Republic and Principate, edited by Walter Emil Kaegi Jr. and Peter White. Vol. 2 of University of Chicago Readings in Western Civilization, edited by John Boyer and Julius Kirshner, 33–46. Chicago: University of Chicago Press, 1986. Originally published in Evelyn S. Shuckburgh, trans., The Letters of Cicero, vol. 1 (London: George Bell & Sons, 1908).
Preface, foreword, introduction, or similar part of a book
Footnote:
17. James Rieger, introduction to Frankenstein; or, The Modern Prometheus, by Mary Wollstonecraft Shelley (Chicago: University of Chicago Press, 1982), xx–xxi.
Bibliography entry:
Rieger, James. Introduction to Frankenstein; or, The Modern Prometheus, by Mary Wollstonecraft Shelley, xi–xxxvii. Chicago: University of Chicago Press, 1982.