Cita APA (7th ed.)

Steinbeck, J. (1947). The Grapes of Wrath. The Word Publishing Company.

Cita Chicago (17th ed.)

Steinbeck, John. The Grapes of Wrath. Cleveland, Estados Unidos: The Word Publishing Company, 1947.

Cita MLA (9th ed.)

Steinbeck, John. The Grapes of Wrath. The Word Publishing Company, 1947.