APA (7th ed.) Citation
Kurzweil, R. (1999). Spiritual machines: The merging of man and machine. Futurist, 33(9), 16-22.
Chicago Style (17th ed.) Citation
Kurzweil, Raymond. "Spiritual Machines: The Merging of Man and Machine." Futurist 33, no. 9 (1999): 16-22.
MLA (9th ed.) Citation
Kurzweil, Raymond. "Spiritual Machines: The Merging of Man and Machine." Futurist, vol. 33, no. 9, 1999, pp. 16-22.
Warning: These citations may not always be 100% accurate.