Citazione Stile APA (7a Edizione)

Kunitz, S. J., & Colby, V. (1955). Twentieth century authors. First supplement . A biographical dictionary of modern literature. The H. W. Wilson.

Citazione stile Chigago Style (17a edizione)

Kunitz, Stanley J., e Vineta Colby. Twentieth Century Authors. First Supplement . A Biographical Dictionary of Modern Literature. Nueva York: The H. W. Wilson, 1955.

Citatione MLA (9a ed.)

Kunitz, Stanley J., e Vineta Colby. Twentieth Century Authors. First Supplement . A Biographical Dictionary of Modern Literature. The H. W. Wilson, 1955.