Cita APA (7th ed.)

Strahler, . A. N. (1965). Physical geography (3rd ed.). Wiley.

Cita Chicago (17th ed.)

Strahler, Arthur N. Physical Geography. 3rd ed. New York: Wiley, 1965.

Cita MLA (9th ed.)

Strahler, Arthur N. Physical Geography. 3rd ed. Wiley, 1965.