Cita APA

Hawking, S., & Mlodinow, L. (2010). The Grand design. Bentam press.

Chicago Edition Citation

Hawking, Stephen, i Leonard Mlodinow. The Grand Design. London: Bentam press, 2010.

Cita MLA

Hawking, Stephen, i Leonard Mlodinow. The Grand Design. Bentam press, 2010.