Cita APA (7th ed.)
Gray, J. (1971). John Steinbeck. University of Minnesota Press.
Cita Chicago (17th ed.)
Gray, James. John Steinbeck. Minneapolis, MN: University of Minnesota Press, 1971.
Cita MLA (9th ed.)
Gray, James. John Steinbeck. University of Minnesota Press, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.