Columbia Guide to Online Style [ Teens/Mature Teens ] - Guide to documenting electronic resources, online information, and data gleaned from software.
Landmarks Citation Machine [ Teens/Mature Teens ] - Provides an interactive tool to help create reference citations for research papers. Includes various print and electronic resources.
SourceAid [ Teens/Mature Teens ] - Free service creates, formats, and punctuates bibliographies according to MLA, APA, Chicago, and CSE writing style rules.