APA Style Format (psychology, education, and other social sciences)

• APA Documentation Style (detailed instructions on page layout and citation formats)
• APA Style (clear one-page, color-coded reference to major citation formats)
• Electronic Reference Formats Recommended by the American Psychological Association (official APA site)
• Using American Psychological Association (APA) Format (guide to basic page formatting, with numerous examples of in-text citations and reference lists)

Chicago (general, often used by newspapers)

• Chicago Style (clear one-pge, color-coded reference to major citation formats)
• Chicago/Turabian Style (detailed instructions on note systems and works cited page)

MLA (English and other humanities)

• MLA Citation Style (clear one-page, color-coded reference to major citation formats)
• MLA Documentation (detailed instructions on parenthetical references and works cited page)
• MLA Update 2009 (a list of changes effective April 2009 with the release of MLA Handbook for Writers of Research Papers 7th edition)

Turabian (scientific and humanities; brief citation information)

• Chicago/Turabian Style (detailed instructions on parenthetical references and citation formats)
• Turabian Citation Style (clear one-page, color-coded reference to major citation formats)
• Turabian Style Guide (includes electronic and web sources)

Bibliographic Software

• Citation Machine (automatically formats bibliographic information into APA or MLA formats. Be sure to double-check results!)
• NoodleBib Express

Other Citation Formats by Subject

• Art
  • Amico Citation Guidelines
• Biology
  • CBE Citation Guide
  • CBE Documentation (University of Wisconsin-Madison Writing Center
• Business
  • Common Business APA Citation Styles
• Census
  • Citation Style for Information on the U.S. Census Bureau Internet Site
• Chemistry
  • ACS Reference Style Guidelines (American Chemical Society)
  • ACS Style Guidelines
• Civil Engineering
  • ASCE Author-Date References
• Electrical Engineering
  • IEEE Editorial Style Manual
• Electronic Sources
  • How to Cite Electronic Sources (Library of Congress; includes films, maps, photographs, etc.)
• Government Documents
  • Brief Guide to Citing Government Publications
• Mechanical Engineering
  • ASME References - Author Resources
• Medical
  • AMA Citation Style (American Medical Association)
  • AMA Style Guide
• Music
  • Notes Style Sheet
• Physics
  • AIP Style Manual (American Institute of Physics)
• Political Science
  • APSA Documentation (American Political Science Association)
• Sociology
  • Quick Style Guide for Students Writing Sociology Papers (American Sociological Association)