APA Style : latest edition online guide
Chicago Referencing Style Guide
Chicago Referencing Style Online (15th edition)
MLA Referencing and Formatting Guide
South African Journal on Human Rights Style
Citing Sources: Online (LexisNexis oversees this)
Citation Style Guides for Internet and Electronic sources
Research and Documentation Online 5th edition
This guide is designed to help you to find information on how to cite your sources correctly, and to avoid Plagiarism
Read more about Plagiarism... The more you know, the better prepared you are for citing your sources.
EasyBib MLA (free). APA and Chicago/Turabian (not free)
Noodles Tools Express (MLA, APA, Chicago)
Style Wizard (APA)