APA (7th ed.) Zitazioa

Strahler, . A. N., & Strahler, A. H. (1976). Elements of physical geography. John Wiley.

Chicago Style (17th ed.) Zitazioa

Strahler, Arthur Newell, eta Alan H. Strahler. Elements of Physical Geography. New York: John Wiley, 1976.

MLA (9th ed.) Zitazioa

Strahler, Arthur Newell, eta Alan H. Strahler. Elements of Physical Geography. John Wiley, 1976.