Cita APA

Steinbeck, J. 1. (1993). The grapes of wrath. New York: Alfred A. Knopf.

Chicago Style Citation

Steinbeck, John 1902-1968. The Grapes of Wrath. New York: Alfred A. Knopf, 1993.

Cita MLA

Steinbeck, John 1902-1968. The Grapes of Wrath. New York: Alfred A. Knopf, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.