Cita APA (7a ed.)

Steinbeck, J. (1986). The grapes of wrath. Viking.

Cita Chicago Style (17a ed.)

Steinbeck, John. The Grapes of Wrath. New York, Estados Unidos: Viking, 1986.

Cita MLA (9a ed.)

Steinbeck, John. The Grapes of Wrath. Viking, 1986.