APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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