Apocalyptic AI: Visions of Heaven in Robotics, Artificial Intelligence, and Virtual Reality. : Oxford University Press, 2010-02-05. Oxford Scholarship Online. 2010-05-01. Date Accessed 25 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195393026.001.0001/acprof-9780195393026>.
(2010-02-05). Apocalyptic AI: Visions of Heaven in Robotics, Artificial Intelligence, and Virtual Reality. : Oxford University Press. Retrieved 25 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195393026.001.0001/acprof-9780195393026.
Apocalyptic AI: Visions of Heaven in Robotics, Artificial Intelligence, and Virtual Reality. : Oxford University Press, 2010-02-05. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195393026.001.0001/acprof-9780195393026.
Geraci R. Apocalyptic AI: Visions of Heaven in Robotics, Artificial Intelligence, and Virtual Reality. Oxford University Press; 2010. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195393026.001.0001/acprof-9780195393026. Accessed May 25, 2013.