Style de citation APA (7e éd.)

Palmer, R. C. (1987). Online reference and information retrieval (2nd ed.). Libraries Unlimited.

Style de citation Chicago (17e éd.)

Palmer, Roger C. Online Reference and Information Retrieval. 2nd ed. Littleton, Colo: Libraries Unlimited, 1987.

Style de citation MLA (9e éd.)

Palmer, Roger C. Online Reference and Information Retrieval. 2nd ed. Libraries Unlimited, 1987.