Cita APA (7a ed.)

Orwell, G., Batchelor, J., & Halas, J. (2000). Animal farm: A fairy story. Penguin Classics.

Cita Chicago Style (17a ed.)

Orwell, George, Joy Batchelor, y John Halas. Animal Farm: A Fairy Story. [London]: Penguin Classics, 2000.

Cita MLA (9a ed.)

Orwell, George, et al. Animal Farm: A Fairy Story. Penguin Classics, 2000.