APA (7th ed.) Citation

Sapp, J. (1999). What is natural?: Coral reef crisis. Oxford University Press.

Chicago Style (17th ed.) Citation

Sapp, Jan. What Is Natural?: Coral Reef Crisis. New York: Oxford University Press, 1999.

MLA (9th ed.) Citation

Sapp, Jan. What Is Natural?: Coral Reef Crisis. Oxford University Press, 1999.