APA (7th ed.) Citation

Palmer, R. C. (1983). Online reference and information retrieval. Libraries Unlimited.

Chicago Style (17th ed.) Citation

Palmer, Roger C. Online Reference and Information Retrieval. Littleton, Colo: Libraries Unlimited, 1983.

MLA (9th ed.) Citation

Palmer, Roger C. Online Reference and Information Retrieval. Libraries Unlimited, 1983.