APA (7th ed.) Citation

Ruse, M. (1999). Evolutionary Ethics: What Can We Learn From from the Past? Zygon, 34(3), 435-451. doi:10.1111/0591-2385.00225

Chicago Style (17th ed.) Citation

Ruse, Michael. "Evolutionary Ethics: What Can We Learn From from the Past?" Zygon 34, no. 3 (1999): 435-451, https://doi.org/10.1111/0591-2385.00225.

MLA (9th ed.) Citation

Ruse, Michael. "Evolutionary Ethics: What Can We Learn From from the Past?" Zygon, vol. 34, no. 3, 1999, pp. 435-451, https://doi.org/10.1111/0591-2385.00225.