APA (7th ed.) Citation

Hawking, S., Redmayne, E., & Hawking, L. (2018). Brief answers to the big questions (First U.S. edition.). Bantam Books.

Chicago Style (17th ed.) Citation

Hawking, Stephen, Eddie Redmayne, and Lucy Hawking. Brief Answers to the Big Questions. First U.S. edition. New York: Bantam Books, 2018.

MLA (8th ed.) Citation

Hawking, Stephen, et al. Brief Answers to the Big Questions. First U.S. edition. Bantam Books, 2018.