Citation managers collect, organize and store citations for you. They are great for large papers with lots of references or for individuals who enjoy staying organized. These tools are not always accurate so always double-check your citation.
Mendeley is a reference manager, academic collaboration network and crowd sourced database with a unique layer of social information research. Mendeley Desktop is available on Mac, Windows and Linux. Mendeley Web functions on all major browsers. Mobile versions of Mendeley are available for IPad, IPhone and Android devices.
Citation generators will format a reference for you into a specific citation style. They only do one citation at a time and do not save or organize your references. Great for individuals writing shorter papers. These tools are not always accurate so always double-check your citation.