Citation Resources
Books
AMA Style - AMA Manual of Style
APA Style - Publication Manual of the American Psychological Association
Chicago Style - Manual for Writers of Research Papers, Theses, and Dissertations
MLA Style - MLA Handbook for Writers of Research Papers
Websites and Tools
OWL @ Purdue
The Purdue University Online Writing Lab (OWL) offers over 200 free resources, including excellent guides on writing and citing sources in MLA and APA styles.
NoodleBib Express
NoodleBib Express is a free, easy version of the previously available NoodleBib tool. NoodleBib Express will ask you questions regarding the citation style and source you are using, help you select the proper format and, finally, generate a citation using the information you provide to copy and paste into your document.
Citation Machine
Citation Machine is a free, easy to use citation generator that creates APA, MLA, Chicago, and Turbain style citations (in-text and reference list). No username or password is required for this free service.
Zotero
"Zotero is a free, easy to use research tool that helps you gather, organize, and analyze sources (citations, full texts, web pages, images, and other objects), and lets you share the results of your research in a variety of ways."