APA (7th ed.) Citation

Penrose, R. (1989). The Emperor's New Mind. Oxford University Press.

Chicago Style (17th ed.) Citation

Penrose, Roger. The Emperor's New Mind. New York: Oxford University Press, 1989.

MLA (9th ed.) Citation

Penrose, Roger. The Emperor's New Mind. Oxford University Press, 1989.

Warning: These citations may not always be 100% accurate.