APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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