APA (7th ed.) Citation

Steinbeck, J. (1976). The grapes of wrath. Penguin.

Chicago Style (17th ed.) Citation

Steinbeck, John. The Grapes of Wrath. New York: Penguin, 1976.

MLA (9th ed.) Citation

Steinbeck, John. The Grapes of Wrath. Penguin, 1976.

Warning: These citations may not always be 100% accurate.