APA (7th ed.) Citation

Hawking, S., & Mlodinow, L. (2005). A briefer history of time. Bantam Books.

Chicago Style (17th ed.) Citation

Hawking, Stephen, and Leonard Mlodinow. A Briefer History of Time. London: Bantam Books, 2005.

MLA (8th ed.) Citation

Hawking, Stephen, and Leonard Mlodinow. A Briefer History of Time. Bantam Books, 2005.

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