Cita APA (7a ed.)

Kunitz, S. J., & Haycraft, H. (1967). Twentieth century authors: A biographical dictionary of modern literature (7th printing, 1973 [with updated necrology].). H. W. Wilson Co.

Cita Chicago Style (17a ed.)

Kunitz, Stanley J., y Howard Haycraft. Twentieth Century Authors: A Biographical Dictionary of Modern Literature. 7th printing, 1973 [with updated necrology]. New York: H. W. Wilson Co, 1967.

Cita MLA (9a ed.)

Kunitz, Stanley J., y Howard Haycraft. Twentieth Century Authors: A Biographical Dictionary of Modern Literature. 7th printing, 1973 [with updated necrology]. H. W. Wilson Co, 1967.