Cita APA (7a ed.)

Orwell, G. [. (1970). Animal farm: : & fairy story. Penguin.

Cita Chicago Style (17a ed.)

Orwell, George [1903-1950]. Animal Farm: : & Fairy Story. Harmondsworth: Penguin, 1970.

Cita MLA (9a ed.)

Orwell, George [1903-1950]. Animal Farm: : & Fairy Story. Penguin, 1970.