APA (7th ed.) Citation

Strahler, A. N. (1960). Physical geography (2d ed.). Wiley.

Chicago Style (17th ed.) Citation

Strahler, Arthur Newell. Physical Geography. 2d ed. New York: Wiley, 1960.

MLA (9th ed.) Citation

Strahler, Arthur Newell. Physical Geography. 2d ed. Wiley, 1960.