APA (7th ed.) Citation

Steinbeck, J. (2003). America and Americans, and selected nonfiction. Penguin Books.

Chicago Style (17th ed.) Citation

Steinbeck, John. America and Americans, and Selected Nonfiction. New York, N.Y.[u.a.]: Penguin Books, 2003.

MLA (9th ed.) Citation

Steinbeck, John. America and Americans, and Selected Nonfiction. Penguin Books, 2003.

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