Cita APA (7th ed.)

Strahler, A. N. (1975). Exercises in physical geography (2nd ed.). John Wiley & Sons, Inc.

Cita Chicago (17th ed.)

Strahler, Arthur N. Exercises in Physical Geography. 2nd ed. New York: John Wiley & Sons, Inc, 1975.

Cita MLA (9th ed.)

Strahler, Arthur N. Exercises in Physical Geography. 2nd ed. John Wiley & Sons, Inc, 1975.