Cita APA (7th ed.)

Steinbeck, J. (1950). Tortilla flat. Penguin Books.

Cita Chicago (17th ed.)

Steinbeck, John. Tortilla Flat. Harmondsworth: Penguin Books, 1950.

Cita MLA (9th ed.)

Steinbeck, John. Tortilla Flat. Penguin Books, 1950.