APA (7th ed.) Citation

Strahler, A. H. (1998). Introducing physical geography (Second edition.). Wiley.

Chicago Style (17th ed.) Citation

Strahler, Alan H. Introducing Physical Geography. Second edition. New York: Wiley, 1998.

MLA (9th ed.) Citation

Strahler, Alan H. Introducing Physical Geography. Second edition. Wiley, 1998.