APA (7th ed.) Citation

Orwell, G. (1970). Nineteen eighty-four: A novel (Reprinted.). Penguin Books.

Chicago Style (17th ed.) Citation

Orwell, George. Nineteen Eighty-four: A Novel. Reprinted. Harmondsworth <<[u.a.]>>: Penguin Books, 1970.

MLA (9th ed.) Citation

Orwell, George. Nineteen Eighty-four: A Novel. Reprinted. Penguin Books, 1970.