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Citing Sources

Correctly citing sources is an important part of the research process. Whenever you use someone else’s intellectual property you need to provide a proper citation for your sources. This gives proper credit to the author and enables the reader to locate your information sources if desired. Citing sources acknowledges the origin of your information, which gives credibility to your work because it shows evidence of your research. Failure to properly cite sources is plagiarism (taking someone else’s words or ideas and using them as your own).

Langenheim Memorial Library has the latest editions of major style manuals available for two-hour checkout at the circulation desk.  These include:

  • Publication Manual of the American Psychological Association, 6th ed. (APA)
  • MLA Handbook for Writers of Research Papers, 8th ed.
  • The Chicago Manual of Style, 16th ed. 
  • A Manual for Writers of Term Papers, Theses, and Dissertations, 7th ed. (Turabian) 
  • Harbrace College Handbook, 18th ed. (includes MLA & APA styles)
  • Writing Papers in the Biological Sciences, 6th ed.
  • The ACS Style Guide, 3rd ed.

Below is a list of links to reputable websites to help you correctly cite information you have found.

APA Style

MLA Style

Chicago Style


CSE (Council of Science Editors) - formerly known as CBE Style

ACS (American Chemical Society)

Citation Management Software

  • Zotero - Use Zotero to collect all research in a single, searchable interface.