Cita APA

Steinbeck, J. 1. (1972). The grapes of wrath. New York, New York: Viking Press.

Citación estilo Chicago

Steinbeck, John 1902-1968. The Grapes of Wrath. New York, New York: Viking Press, 1972.

Cita MLA

Steinbeck, John 1902-1968. The Grapes of Wrath. New York, New York: Viking Press, 1972.