APA (7th ed.) Citation

Pearcy, G. E. (1957). World political geography (2d ed.). Crowell.

Chicago Style (17th ed.) Citation

Pearcy, George Etzel. World Political Geography. 2d ed. New York: Crowell, 1957.

MLA (9th ed.) Citation

Pearcy, George Etzel. World Political Geography. 2d ed. Crowell, 1957.