APA (7th ed.) Citation

Kunitz, S., & Colby, V. (1955). Twentieth century authors: First supplement, a biographical dictionary of modern literature (5th printing, 1979 [with updated necrology].). The H.W. Wilson Company.

Chicago Style (17th ed.) Citation

Kunitz, Stanley, and Vineta Colby. Twentieth Century Authors: First Supplement, a Biographical Dictionary of Modern Literature. 5th printing, 1979 [with updated necrology]. New York: The H.W. Wilson Company, 1955.

MLA (9th ed.) Citation

Kunitz, Stanley, and Vineta Colby. Twentieth Century Authors: First Supplement, a Biographical Dictionary of Modern Literature. 5th printing, 1979 [with updated necrology]. The H.W. Wilson Company, 1955.