Which citation style guide you use will depend on the following:
RefWorks allows you to collect, store, organize, and share references. Using it, you can automatically import your references and format them with the click of a button in a variety of styles (APA, MLA, Chicago, etc.).
Using RefWorks effectively takes practice!
When you are searching a database, you can usually move your references into a folder or check them off and then automatically export them into your RefWorks account. The trick? Each database is different in the exporting process, so you have to know how it works before you start searching.
Explore a variety of databases, especially those that you'll use on a regular basis and check out the process used to export to RefWorks.