APA (7th ed.) Citation

Steinbeck, J., Kline, R. H., & Hammid, A. (1941). The forgotten village. The Viking Press.

Chicago Style (17th ed.) Citation

Steinbeck, John, Rosa Harvan Kline, and Alexander Hammid. The Forgotten Village. New York: The Viking Press, 1941.

MLA (8th ed.) Citation

Steinbeck, John, et al. The Forgotten Village. The Viking Press, 1941.