APA (7th ed.) Citation

Grey, W. (1987). Evolution and the meaning of life. Zygon, 22(4), 479.

Chicago Style (17th ed.) Citation

Grey, William. "Evolution and the Meaning of Life." Zygon 22, no. 4 (1987): 479.

MLA (8th ed.) Citation

Grey, William. "Evolution and the Meaning of Life." Zygon, vol. 22, no. 4, 1987, p. 479.