APA (7th ed.) Citation

Hawking, S. (2007). The theory of everything: The origin and fate of the universe (New ed.). Phoenix Books.

Chicago Style (17th ed.) Citation

Hawking, Stephen. The Theory of Everything: The Origin and Fate of the Universe. New ed. Beverly Hills, Calif.: Phoenix Books, 2007.

MLA (9th ed.) Citation

Hawking, Stephen. The Theory of Everything: The Origin and Fate of the Universe. New ed. Phoenix Books, 2007.