APA (7th ed.) Citation

Orwell, G. (1984). The Penguin complete novels of George Orwell. Penguin.

Chicago Style (17th ed.) Citation

Orwell, George. The Penguin Complete Novels of George Orwell. Harmondsworth [etc.]: Penguin, 1984.

MLA (9th ed.) Citation

Orwell, George. The Penguin Complete Novels of George Orwell. Penguin, 1984.

Warning: These citations may not always be 100% accurate.