APA (7th ed.) Citation

Curry-Lindahl, K., & Harroy, J. (1972). National parks of the world. Golden Press.

Chicago Style (17th ed.) Citation

Curry-Lindahl, Kai, and Jean-Paul Harroy. National Parks of the World. New York: Golden Press, 1972.

MLA (9th ed.) Citation

Curry-Lindahl, Kai, and Jean-Paul Harroy. National Parks of the World. Golden Press, 1972.