Cita APA (7th ed.)

STRAHLER, A. N. (1965). Physical geography. Wiley.

Cita Chicago (17th ed.)

STRAHLER, Arthur N. Physical Geography. New York: Wiley, 1965.

Cita MLA (9th ed.)

STRAHLER, Arthur N. Physical Geography. Wiley, 1965.

Atenció: Aquestes cites poden no estar 100% correctes.