Cita APA (7a ed.)

Steinbeck, J. (1966). The grapes of wrath (19th. ed.). Bantam.

Cita Chicago Style (17a ed.)

Steinbeck, John. The Grapes of Wrath. 19th. ed. New York: Bantam, 1966.

Cita MLA (8a ed.)

Steinbeck, John. The Grapes of Wrath. 19th. ed. Bantam, 1966.