Cita APA

Hawking, S., & Mlodinow, L. (2010). The grand design. Bantam Books.

Chicago Edition Citation

Hawking, Stephen, i Leonard Mlodinow. The Grand Design. New York: Bantam Books, 2010.

Cita MLA

Hawking, Stephen, i Leonard Mlodinow. The Grand Design. Bantam Books, 2010.