APA (7e ed.) Bronvermelding

Hawking, S. W. (1988). A brief history of time. Bantam Books.

Chicago (17e ed.) Bronvermelding

Hawking, S. W. A Brief History of Time. New York: Bantam Books, 1988.

MLA (8e ed.) Bronvermelding

Hawking, S. W. A Brief History of Time. Bantam Books, 1988.