Cita APA

Strahler, A. H. 1., & Strahler, A. N. 1. (1994). Introducing physical geography. New York: John Wiley & Sons, INC.

Citación estilo Chicago

Strahler, Alan H. 1943-, y Arthur Newell 1918- Strahler. Introducing Physical Geography. New York: John Wiley & Sons, INC, 1994.

Cita MLA

Strahler, Alan H. 1943-, y Arthur Newell 1918- Strahler. Introducing Physical Geography. New York: John Wiley & Sons, INC, 1994.