APA (7th ed.) Citation

Kent, A. (1966). Textbook on mechanized information retrieval (2d ed.). Interscience Publishers.

Chicago Style (17th ed.) Citation

Kent, Allen. Textbook on Mechanized Information Retrieval. 2d ed. New York: Interscience Publishers, 1966.

MLA (9th ed.) Citation

Kent, Allen. Textbook on Mechanized Information Retrieval. 2d ed. Interscience Publishers, 1966.