Cita APA (7a ed.)

Steinbeck, J., & Covici, P. (1943). The viking portable library. The Viking Press.

Cita Chicago Style (17a ed.)

Steinbeck, John, y P. Covici. The Viking Portable Library. New York: The Viking Press, 1943.

Cita MLA (9a ed.)

Steinbeck, John, y P. Covici. The Viking Portable Library. The Viking Press, 1943.