APA (7th ed.) Citation

Strahler, A., & Strahler, A. (2002). Physical geography: Science and systems of the human environment (2nd ed.). John Wiley & Sons.

Chicago Style (17th ed.) Citation

Strahler, Alan, and Arthur Strahler. Physical Geography: Science and Systems of the Human Environment. 2nd ed. New York: John Wiley & Sons, 2002.

MLA (9th ed.) Citation

Strahler, Alan, and Arthur Strahler. Physical Geography: Science and Systems of the Human Environment. 2nd ed. John Wiley & Sons, 2002.