Oberlin College Libraries support two citation management tools:
RefWorks: A web-based app that gathers, manages, and shares citation information, as well as generates citations and bibliographies in a variety of styles. You may install an optional browser plugin. Integrates with MS Word and Google Docs. You maintain access after you graduate.
Zotero: A free app that collects, organizes, and cites research sources in various citation styles. Requires installing an app and browser plug-ins. Works with MS Word and Google Docs. Available to you after graduation.