These websites can help you format your paper and citations properly. The list below are style guides available online (mostly through Purdue University's Online Writing Lab (OWL)).
Check your assignment instructions or ask your professor which style to use.
AMA Manual of Style by 
A Manual for Writers of Research Papers, Theses, and Dissertations, Ninth Edition by When Kate L. Turabian first put her famous guidelines to paper, she could hardly have imagined the world in which today's students would be conducting research. Yet while the ways in which we research and compose papers may have changed, the fundamentals remain the same: writers need to have a strong research question, construct an evidence-based argument, cite their sources, and structure their work in a logical way. A Manual for Writers of Research Papers, Theses, and Dissertations--also known as "Turabian"--remains one of the most popular books for writers because of its timeless focus on achieving these goals.
MLA Handbook by Relied on by generations of writers, the MLA Handbook is published by the Modern Language Association and is the only official, authorized book on MLA style. The new, ninth edition builds on the MLA's unique approach to documenting sources using a template of core elements--facts
Publication Manual of the American Psychological Association by These style manuals are available through the library's database collection.
