APA (7th ed.) Citation

Strahler, A., & Strahler Arthur. (1994). Introducing physical geography (2nd ed.). Wiley.

Chicago Style (17th ed.) Citation

Strahler, Alan, and Strahler Arthur. Introducing Physical Geography. 2nd ed. New York: Wiley, 1994.

MLA (9th ed.) Citation

Strahler, Alan, and Strahler Arthur. Introducing Physical Geography. 2nd ed. Wiley, 1994.