Cita APA

Strahler, A. (1974). Physical Geography (4th. ed.). New York: John Wiley and Sons.

Citación estilo Chicago

Strahler, Arthur. Physical Geography. 4th. ed. New York: John Wiley and Sons, 1974.

Cita MLA

Strahler, Arthur. Physical Geography. 4th. ed. New York: John Wiley and Sons, 1974.