APA استشهاد

Stephen W Hawking. (1998). A brief history of time: From beginning to the black whole. Bantam Books.

استشهاد بنمط شيكاغو

Stephen W Hawking. A Brief History of Time: From Beginning to the Black Whole. New York: Bantam Books, 1998.

MLA استشهاد

Stephen W Hawking. A Brief History of Time: From Beginning to the Black Whole. Bantam Books, 1998.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.