Human Development & Family Science: Citing Your Sources

Zotero is an application that collects, manages, and cites research sources. It's easy to use, connects with your web browser to download sources, and best of all it's free.

EndNote allows you to create large reference lists in many, many citation formats. Recommended if you're writing many papers with many references.

The Purdue OWL is one of the definitive guides to writing and citation. covers citations for many types of content.