Cita APA (7a ed.)

Orwell, G. (1983). The Penguin complete longer non-fiction of George Orwell. Penguin.

Cita Chicago Style (17a ed.)

Orwell, George. The Penguin Complete Longer Non-fiction of George Orwell. Harmondsworth [etc.]: Penguin, 1983.

Cita MLA (9a ed.)

Orwell, George. The Penguin Complete Longer Non-fiction of George Orwell. Penguin, 1983.