Cita APA (7a ed.)
Penrose, R., Shimony, A., Cartwright, N., & Hawking, S. W. The Large, the Small and the Human Mind. Cambridge University.
Cita estilo Chicago (17a ed.)
Penrose, Roger, Abner Shimony, Nancy Cartwright, y Stephen W. Hawking. The Large, the Small and the Human Mind. Cambridge, Inglaterra: Cambridge University.
Cita MLA (9a ed.)
Penrose, Roger, et al. The Large, the Small and the Human Mind. Cambridge University.
Precaución: Estas citas no son 100% exactas.