APA (7th ed.) Citation

Hawking, S. (2001). The universe in a nutshell. Bantam Books.

Chicago Style (17th ed.) Citation

Hawking, Stephen. The Universe in a Nutshell. New York: Bantam Books, 2001.

MLA (9th ed.) Citation

Hawking, Stephen. The Universe in a Nutshell. Bantam Books, 2001.

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