APA (7th ed.) Citation

Saddington, G. H., & Cooper, E. (1984). Audiocassettes as library materials: An introduction (2nd rev. ed.). The Audiovisual Librarian.

Chicago Style (17th ed.) Citation

Saddington, George H., and Eric Cooper. Audiocassettes as Library Materials: An Introduction. 2nd rev. ed. London: The Audiovisual Librarian, 1984.

MLA (8th ed.) Citation

Saddington, George H., and Eric Cooper. Audiocassettes as Library Materials: An Introduction. 2nd rev. ed. The Audiovisual Librarian, 1984.