Citation Guides

American Psychological Association (APA) Style

• APA Citation Style (Long Island University) – examples based on Publication Manual of the APA
• APA Formatting and Style Guide (OWL at Purdue University) – site includes guidelines for all aspects of writing
• Citation Machine (The Landmark Project) – free citation formatting
• Citation Help (University at Albany Libraries)
• Interpreting Citations Tutorial (University of Missouri-St. Louis)

The National Library of Medicine Style

• Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers (2nd Edition 2007)

American Chemical Society

• CAS Source Index (CASSI) Search Tool: Finds journal titles and abbreviations for publications indexed by CAS since 1907 (serial, non-serial, scientific and technical publications)