APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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