APA (7th ed.) Citation

Penrose, R. (1994). Shadows of the mind: A search for the missing science of consciousness. Oxford University Press.

Chicago Style (17th ed.) Citation

Penrose, Roger. Shadows of the Mind: A Search for the Missing Science of Consciousness. Oxford: Oxford University Press, 1994.

MLA (8th ed.) Citation

Penrose, Roger. Shadows of the Mind: A Search for the Missing Science of Consciousness. Oxford University Press, 1994.

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