Cita APA (7th ed.)

Penrose, R. (1999). The large, the small and the human mind. Univ. Pr..

Cita Chicago (17th ed.)

Penrose, Roger. The Large, the Small and the Human Mind. Cambridge: Univ. Pr., 1999.

Cita MLA (9th ed.)

Penrose, Roger. The Large, the Small and the Human Mind. Univ. Pr., 1999.

Atenció: Aquestes cites poden no estar 100% correctes.