Top: Kids and Teens: School Time: English: Writing: Citation Resources (7)
http://www.simiax.com//Kids_and_Teens/School_Time/English/Writing/Citation_Resources/index.htm

Integrating Sources into Text - Tips to help reduce the chances of unintentional plagiarism.

Citation Style for Research Papers - Brief guide helps students determine how to document research papers.

Columbia Guide to Online Style - Guide to documenting electronic resources, online information, and data gleaned from software.