APA (7th ed.) Citation

Steinbeck, J., & Ricketts, E. F. (1995). The log from the Sea of Cortez. Penguin Books.

Chicago Style (17th ed.) Citation

Steinbeck, John, and Edward Flanders Ricketts. The Log from the Sea of Cortez. New York: Penguin Books, 1995.

MLA (8th ed.) Citation

Steinbeck, John, and Edward Flanders Ricketts. The Log from the Sea of Cortez. Penguin Books, 1995.