APA (7th ed.) Citation

Ruse, M. (1988). Response to Williams: Selfishness is not enough. Zygon, 23(4), 413.

Chicago Style (17th ed.) Citation

Ruse, Michael. "Response to Williams: Selfishness Is Not Enough." Zygon 23, no. 4 (1988): 413.

MLA (8th ed.) Citation

Ruse, Michael. "Response to Williams: Selfishness Is Not Enough." Zygon, vol. 23, no. 4, 1988, p. 413.