APA (7th ed.) Citation

Steinbeck, J. (1967). The Grapes of Wrath. Penguin Books.

Chicago Style (17th ed.) Citation

Steinbeck, John. The Grapes of Wrath. Harmondsworth: Penguin Books, 1967.

MLA (9th ed.) Citation

Steinbeck, John. The Grapes of Wrath. Penguin Books, 1967.

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