Cita APA (7a ed.)
Hawking, S., & Mlodinow, L. (2010). The grand design. Bantam Books.
Cita Chicago Style (17a ed.)
Hawking, Stephen, y Leonard Mlodinow. The Grand Design. Germany: Bantam Books, 2010.
Cita MLA (9a ed.)
Hawking, Stephen, y Leonard Mlodinow. The Grand Design. Bantam Books, 2010.
Precaución: Estas citas no son 100% exactas.