Cita APA (7a ed.)

Unger, L. (1974). American writers: A collection of literary biographies. Charles Scribner's Sons.

Cita Chicago Style (17a ed.)

Unger, Leonard. American Writers: A Collection of Literary Biographies. New York: Charles Scribner's Sons, 1974.

Cita MLA (9a ed.)

Unger, Leonard. American Writers: A Collection of Literary Biographies. Charles Scribner's Sons, 1974.