APA (7th ed.) Citation

Strahler, A., & Strahler, A. (2005). Physical geography: Science and systems of the human environment (3rd ed.). John wiley.

Chicago Style (17th ed.) Citation

Strahler, Alan, and Arthur Strahler. Physical Geography: Science and Systems of the Human Environment. 3rd ed. Hoboken: John wiley, 2005.

MLA (9th ed.) Citation

Strahler, Alan, and Arthur Strahler. Physical Geography: Science and Systems of the Human Environment. 3rd ed. John wiley, 2005.