Citation Managers such as RefWorks, EndNote, Zotero, and Mendeley are software tools for managing your citations. Citation managers will help you
Brown University Libraries support and provide training for RefWorks, EndNote, Zotero, and Mendeley, but there are many more available.
A citation is: "A reference providing information about where a particular quotation, text, etc., is to be found; a bibliographical reference."
- Oxford English Dictionary Online, version March 2015
There are many different citation styles which reflect different interests and preferences of disciplines and often publications. If you are unsure which citation style to use, it is best to ask the person you are writing for, such as a professor or journal editor.