Cita APA (7a ed.)

Kaplan, C. (1971). Literature in America: The Modern Age. Free Press [etc.].

Cita Chicago Style (17a ed.)

Kaplan, Charles. Literature in America: The Modern Age. New York [etc.]: Free Press [etc.], 1971.

Cita MLA (9a ed.)

Kaplan, Charles. Literature in America: The Modern Age. Free Press [etc.], 1971.