OWL (Online Writing Law) at Purdue University. This site Includes a downloadable sample paper illustrating format and Chicago citation style. Make sure you choose the format that is required by your professor: Notes and Bibliography.
The Chicago Manual of Style covers a variety of topics from manuscript preparation and publication to grammar, usage, and documentation.
Citing Using Library Databases
Most Library databases provide citation tools to reference articles, books and other resources in several different styles. Make sure you choose the style your professors require you to use.