Listed below are examples of citations of common types of Internet sources in the format specified by the American Chemical Society. For a more complete discussion, including information on citing other types of materials, consult the ACS Style Guide: A Manual for Authors and Editors, 2nd edition, edited by Janet S. Dodd.

URL (Web Page)
Format: Author, if available. Title of page as listed on the site. Address of page (date accessed).
Example: Hsu, D. Chemicool Periodical Table. http://www-tech.mit.edu/Chemicool/ (accessed Jan 1999).

Discussion List or Newsgroup Message
Format: Mailing list or newsgroup name, description of information, electronic address.
Example: Chemistry in the Community Discussion List, discussion of zinc and the common cold in archived messages of September 1998, CHEMCOM@listserv.acsu.buffalo.edu.

Online Periodical Article
Format: Author(s). Title of article. Journal abbreviation [Online] year, volume, pages.
Example: McCoy, M. Chem. Eng. News. [Online] 1998, 76, 21-22.

Judy Lichtman
Reference Librarian
Penn State Lehigh Valley

last updated January, 1999