Most Frequently Used

• AMA Style (American Medical Association) - PDF

• AMA Manual of Style Online (American Medical Association)

• APA Style, 7th ed. (American Psychological Association)

• APSA Style (American Political Science Association)

• ASA Style (American Sociological Association) - PDF

• Chicago Manual of Style - PDF
  The entire Chicago Manual of Style is now available in GALILEO. (access restricted to UGA affiliates)

• MLA Handbook (Modern Language Association)- PDF

• Turabian Style - PDF

Other Styles

• ACS Style Guide from the American Chemical Society. Scroll down the page to see Style Guidelines, including References. 
   
• CSE - Council of Science Editors citation style
   
• International Standard ISO 690-2 excerpts on citing electronic documents
   
• NLM Style Guide National Library of Medicine recommended formats for bibliographic citation
   
• Citing Government Documents