APA (7th ed.) Citation

Phelps, E., Strang, R. M., & Withrow, D. (1966). Gateways to readable books: An annotated graded list of books in many fields for adolescents who find reading difficult (4th ed.). H. W. Wilson.

Chicago Style (17th ed.) Citation

Phelps, Ethlyne, Ruth May Strang, and Dorothy Withrow. Gateways to Readable Books: An Annotated Graded List of Books in Many Fields for Adolescents Who Find Reading Difficult. 4th ed. New York: H. W. Wilson, 1966.

MLA (9th ed.) Citation

Phelps, Ethlyne, et al. Gateways to Readable Books: An Annotated Graded List of Books in Many Fields for Adolescents Who Find Reading Difficult. 4th ed. H. W. Wilson, 1966.