APA (7th ed.) Citation

Gray, J. A. (2004). Consciousness: Creeping up on the hard problem. Oxford University Press.

Chicago Style (17th ed.) Citation

Gray, Jeffrey Alan. Consciousness: Creeping Up on the Hard Problem. Oxford: Oxford University Press, 2004.

MLA (9th ed.) Citation

Gray, Jeffrey Alan. Consciousness: Creeping Up on the Hard Problem. Oxford University Press, 2004.