Cita APA (7a ed.)

Steinbeck, J. (1979). In dubious battle. Penguin.

Cita Chicago Style (17a ed.)

Steinbeck, John. In Dubious Battle. New York: Penguin, 1979.

Cita MLA (9a ed.)

Steinbeck, John. In Dubious Battle. Penguin, 1979.