APA (7e ed.) Bronvermelding

Steinbeck, J. (1939). The grapes of wrath. The Viking press.

Chicago (17e ed.) Bronvermelding

Steinbeck, John. The Grapes of Wrath. New York: The Viking press, 1939.

MLA (8e ed.) Bronvermelding

Steinbeck, John. The Grapes of Wrath. The Viking press, 1939.