APA (7th ed.) Citation

Cunningham, C., & Berger, J. (1997). Horn of darkness: Rhinos on the edge. Oxford University Press.

Chicago Style (17th ed.) Citation

Cunningham, Carol, and Joel Berger. Horn of Darkness: Rhinos on the Edge. New York: Oxford University Press, 1997.

MLA (9th ed.) Citation

Cunningham, Carol, and Joel Berger. Horn of Darkness: Rhinos on the Edge. Oxford University Press, 1997.