APA (7th ed.) Citation

Eldredge, N. (1992). Systematics, ecology, and the biodiversity crisis. Columbia University Press.

Chicago Style (17th ed.) Citation

Eldredge, Niles. Systematics, Ecology, and the Biodiversity Crisis. New York: Columbia University Press, 1992.

MLA (9th ed.) Citation

Eldredge, Niles. Systematics, Ecology, and the Biodiversity Crisis. Columbia University Press, 1992.