Cita APA (7a ed.)

Orwell, G. (1989). Nineteen eighty-four. Penguin Books.

Cita Chicago Style (17a ed.)

Orwell, George. Nineteen Eighty-four. London: Penguin Books, 1989.

Cita MLA (8a ed.)

Orwell, George. Nineteen Eighty-four. Penguin Books, 1989.