Citazione Stile APA (7a Edizione)

Hawking, S., & Mlodinow, L. (2008). A Brief History of Time. Bantam Press.

Citazione stile Chigago Style (17a edizione)

Hawking, Stephen, e Leonard Mlodinow. A Brief History of Time. London: Bantam Press, 2008.

Citatione MLA (9a ed.)

Hawking, Stephen, e Leonard Mlodinow. A Brief History of Time. Bantam Press, 2008.