APA (7th ed.) Citation

Strahler, A. N. (1970). Introduction to physical geography (2. ed.). Wiley.

Chicago Style (17th ed.) Citation

Strahler, Arthur Newell. Introduction to Physical Geography. 2. ed. New York [u.a.]: Wiley, 1970.

MLA (9th ed.) Citation

Strahler, Arthur Newell. Introduction to Physical Geography. 2. ed. Wiley, 1970.