APA (7th ed.) Citation

Steinbeck, J. (2002). Grapes of wrath. Penguin.

Chicago Style (17th ed.) Citation

Steinbeck, John. Grapes of Wrath. New York: Penguin, 2002.

MLA (9th ed.) Citation

Steinbeck, John. Grapes of Wrath. Penguin, 2002.

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