Cita APA

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

Citación estilo Chicago

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

Cita MLA

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