MLA Style Manual and Guide to Scholarly PublishingThese are the most common styles used at SCSU. Be sure to check with your professor, advisor, or editor before using a particular style.
Publication manual of the American Psychological Association
A manual for writers of research papers, theses, and dissertations : Chicago style for students and researchers by 
The Chicago manual of style (15th ed)EndNote Web provides the ability to save and organize citations as well as format them. If you don't need long term storage of citations, if you don't think you'll reuse them, or if you just need a quick formatted citation in a major style, you might want to try one of these other options.
Many databases provide citations formatting in MLA and APA. Look for buttons and links that say something like, "Cite Now" or "How to Cite". Some databases will have a citation at the bottom of the page. For example, in EBSCO databases, such as Academic Search Premier, the citations are linked under Tools to the right of the article and labeled 'Cite'.
Warning: Always double check automated formatting against the rules and examples provided in style manuals and guides. Be especially careful of capitalization, proper names, and dates.
You can also try these services:
If you do want to save your citations, you might want to try one of these free services:
You can also get a personal subscription to Refworks or NoodleTools, or a personal copy of the EndNote software, which includes EndNote Web.
Style guide / American Sociological AssociationBe sure to check with your professor, advisor, or editor before using a particular style.
Scientific style and format : the CSE manual (7th ed)
The ACS style guide (3rd ed)
The AMA style guide for business writing
American Medical Association manual of style