The Chicago Manual of Style is the citation style your professor requests you to use. It is available online and in the Research Hub, Room 224, Call Number: Z 253 .U69.
Use the Chicago-Style Citation Quick Guide for more samples of different format types (chapters in books, electronic journals,etc.) when using footnotes and bibliographies.
Zotero is a free, simple plug-in (for Firefox) or a standalone program (with browser extensions to Google Chrome and Safari) that collects, stores and organizes references for books, journal articles, websites and other materials that you've collected and then automatically converts those references into a properly formatted bibliography. It is fairly easy to use, reliable, and well-documented. Zotero can:
Alongside tracking literature citations, Zotero stores downloaded or links to Acrobat pdf files or any other types of files on your computer.