APA (7th ed.) Citation

Orwell, G. (1989). Animal farm: A fairy story. Penguin Books.

Chicago Style (17th ed.) Citation

Orwell, George. Animal Farm: A Fairy Story. Londres: Penguin Books, 1989.

MLA (9th ed.) Citation

Orwell, George. Animal Farm: A Fairy Story. Penguin Books, 1989.