APA (7th ed.) Citation

Sirks, M. J., & Zirkle, C. (1964). The evolution of biology. Ronald Press.

Chicago Style (17th ed.) Citation

Sirks, M. J., and Conway Zirkle. The Evolution of Biology. New York: Ronald Press, 1964.

MLA (9th ed.) Citation

Sirks, M. J., and Conway Zirkle. The Evolution of Biology. Ronald Press, 1964.