APA (7th ed.) Citation

Hawking, S. (1993). Black holes and baby universes and other essays. Bantam Books.

Chicago Style (17th ed.) Citation

Hawking, Stephen. Black Holes and Baby Universes and Other Essays. New York, NY: Bantam Books, 1993.

MLA (8th ed.) Citation

Hawking, Stephen. Black Holes and Baby Universes and Other Essays. Bantam Books, 1993.

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