APA (7th ed.) Citation

Strahler, A. H. (2013). Introducing physical geography (6a. ed.). Wiley.

Chicago Style (17th ed.) Citation

Strahler, Alan H. Introducing Physical Geography. 6a. ed. New Brunswick: Wiley, 2013.

MLA (9th ed.) Citation

Strahler, Alan H. Introducing Physical Geography. 6a. ed. Wiley, 2013.