APA (7th ed.) Citation

Ravin, A. W. (1977). On natural and human selection, or saving religion. Zygon, 12(1), 27-41.

Chicago Style (17th ed.) Citation

Ravin, Arnold Warren. "On Natural and Human Selection, or Saving Religion." Zygon 12, no. 1 (1977): 27-41.

MLA (9th ed.) Citation

Ravin, Arnold Warren. "On Natural and Human Selection, or Saving Religion." Zygon, vol. 12, no. 1, 1977, pp. 27-41.