Cita APA (7th ed.)

Hawking, S. W. (1988). A brief history of time: From the big bang to black holes. Bantam Books.

Cita Chicago (17th ed.)

Hawking, Stephen W. A Brief History of Time: From the Big Bang to Black Holes. Toronto: Bantam Books, 1988.

Cita MLA (9th ed.)

Hawking, Stephen W. A Brief History of Time: From the Big Bang to Black Holes. Bantam Books, 1988.