Properly citing your sources is one of the most important activities in the research process.
Chicago Style Manual Online. The definitive guide to Chicago style, they literally wrote the book on it! This online version allows convenient access and keyword searching.
Purdue University OWL guide to Chicago/Turabian, including a sample paper
Library's Citation Web Page - Use this page to get help with your citations and links to websites that can help you build and organize your citations.