APA (7th ed.) Citation

Steinbeck, J., & Poe, R. (2011). East of Eden (Unabridged.). Penguin Audio.

Chicago Style (17th ed.) Citation

Steinbeck, John, and Richard Poe. East of Eden. Unabridged. [Place of publication not identified]: Penguin Audio, 2011.

MLA (8th ed.) Citation

Steinbeck, John, and Richard Poe. East of Eden. Unabridged. Penguin Audio, 2011.