Cita APA (7th ed.)

STRAHLER, A. (1975). Physical geography. John Wiley and Sons.

Cita Chicago (17th ed.)

STRAHLER, Arthur. Physical Geography. New York: John Wiley and Sons, 1975.

Cita MLA (9th ed.)

STRAHLER, Arthur. Physical Geography. John Wiley and Sons, 1975.