APA (7th ed.) Citation

Frankel, O. H., & Soulé, M. E. (1981). Conservation and evolution. Cambridge University Press.

Chicago Style (17th ed.) Citation

Frankel, O. H., and Michael E. Soulé. Conservation and Evolution. Cambridge [England] ; New York, N.Y.: Cambridge University Press, 1981.

MLA (9th ed.) Citation

Frankel, O. H., and Michael E. Soulé. Conservation and Evolution. Cambridge University Press, 1981.