Cita APA

Steinbeck, J. (2006). The Grapes of wrath. New York: Penguin Books.

Citación estilo Chicago

Steinbeck, John. The Grapes of Wrath. New York: Penguin Books, 2006.

Cita MLA

Steinbeck, John. The Grapes of Wrath. New York: Penguin Books, 2006.