Cita APA (7a ed.)

Strahler, A. N., & Strahler, A. H. (1978). Modern Physical Geography. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Strahler, Arthur N., y Alan H. Strahler. Modern Physical Geography. New York: John Wiley & Sons, 1978.

Cita MLA (9a ed.)

Strahler, Arthur N., y Alan H. Strahler. Modern Physical Geography. John Wiley & Sons, 1978.