Chicago Manual of Style
Cite right : a quick guide to citation styles--MLA, APA, Chicago, the sciences, professions, and more by Click here to access CSE tutorial offered by University of North Carolina.
Click here to access Purdue University Writing Lab (OWL)
Click here to access University of Albany Citation guide.
Click here to access University of Wisconsin Writing Center.
Click here to access Diana Hacker's Reference online-Bedford St. Martin's.
Click here to know how to prepare an annotated bibliography by Cornell University Library.