APA (7th ed.) Citation

Balzac, H. d. (1951). Old Goriot. Penguin.

Chicago Style (17th ed.) Citation

Balzac, Honoré de. Old Goriot. Harmondsworth, Middlesex, England: Penguin, 1951.

MLA (9th ed.) Citation

Balzac, Honoré de. Old Goriot. Penguin, 1951.