APA (7th ed.) Citation

Hawking, S. The future of spacetime. 2002.

Chicago Style (17th ed.) Citation

Hawking, Stephen. The Future of Spacetime. New York (Norton ): 2002.

MLA (8th ed.) Citation

Hawking, Stephen. The Future of Spacetime. 2002.

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