MLA

• Online Writing Lab (OWL) from Purdue University
• MLA Citation Guide from LIU Post
• Citing Sources from Bedford/St. Martin's
• MLA Handbook for Writers of Research Papers - Reference Desk LB 2369 .G53 2009

Chicago/Turabian

• Online Writing Lab (OWL) from Purdue University
• Chicago Citation Style from LIU Post
• Turabian from LIU Post
• The Chicago Manual of Style - Reference Desk Z 253 .U69 2010

APA

• Online Writing Lab (OWL) from Purdue University
• APA Citation Style from LIU Post
• Frequently Asked Questions About APA Style from the American Psychological Association
• Citing Sources from Bedford/St. Martin's
• Publication Manual of the American Psychological Association - Reference Desk BF 76.7 .P83 2010
• An Easyguide to APA Style - Reference Desk BF 76.7 .S39 2012
  

ASA

• Online Writing Lab (OWL) from Purdue University
• Citing in ASA  from Trinity University
• ASA Quick Style Guide from the American Sociological Association
• American Sociological Association: Style guide - Reference Desk HM 569 .A54 2010

Citation Builders

• Zotero:  Free tool to help you collect, organize, cite, and share research sources.
• Easybib: Easily create MLA, APA, and Chicago style citations by scanning a book bar code or entering the title. Citations can be exported to EasyBib.com where users can automatically generate bibliographies.
  
  

It is important to cite your sources, to give credit where it is due and to avoid the consequences of plagiarism. 

Check with your instructor as to which style format you need to use. 

Tip:  Keep track of your sources as you do your research.  It will make citing your sources so much easier.

Plagiarism

Avoiding Plagiarism
Provides a brief overview of contradictions in academic writing, actions that might be seen as plagiarism, and guidelines for researching, quoting, paraphrasing, and deciding if something is common knowledge. (The Purdue University Online Writing Lab (OWL))

Plagiarism: What It is and How to Recognize and Avoid It

Copyright

United States Copyright Office
The "basics of copyright "and the FAQ sections are especially helpful.

Copyright Information & Education
Provides an overview of the fair use doctrine.  Includes a description of the four fair use factors and tools for evaluating the applicability of the doctrine. From the University of Minnesota Libraries.