APA Style Guide
- APA help from Purdue OWLAPA style was developed and is maintained by the American Psychological Association (APA). It is heavily used by the social sciences, behavioral sciences, and many other disciplines.
- Tufts Research Guide on APAHere is a much more in-depth look at using APA to cite your sources.
Zotero
Zotero is a tool for collecting, managing, and citing sources. It is a more robust, academic citation manager than most of the free web-based citation tools, as it was built by George Mason University's Center for History and New Media. But, it is still free, cross-platform, and open source. Check this guide out for an in-depth look at using Zotero.