Cita APA (7a ed.)

Orwell, G. (1997). Animal farm (3rd imp., full text.). Longman.

Cita Chicago Style (17a ed.)

Orwell, George. Animal Farm. 3rd imp., full text. Harlow: Longman, 1997.

Cita MLA (9a ed.)

Orwell, George. Animal Farm. 3rd imp., full text. Longman, 1997.