Cita APA (7a ed.)

Steinbeck, J. (1969). The Grapes of wrath. Bantam book.

Cita Chicago Style (17a ed.)

Steinbeck, John. The Grapes of Wrath. New York: Bantam book, 1969.

Cita MLA (9a ed.)

Steinbeck, John. The Grapes of Wrath. Bantam book, 1969.