APA Style

Orwell, George. (1989). Animal Farm . London: Penguin Books.

Chicago Style

Orwell, George. Animal Farm. London: Penguin Books, 1989. Text.

MLA Style

Orwell, George. Animal Farm. London: Penguin Books, 1989. Text.

Turabian Style

Orwell, George. Animal Farm. London: Penguin Books, 1989. Print.