APA (7th ed.) Citation

Patton, C. P., Alexander, C. S., & Kramer, F. L. (1974). Physical geography (2.ed.). Wadsworth.

Chicago Style (17th ed.) Citation

Patton, Clyde P., Charles S. Alexander, and Fritz L. Kramer. Physical Geography. 2.ed. Belmont, Cal: Wadsworth, 1974.

MLA (9th ed.) Citation

Patton, Clyde P., et al. Physical Geography. 2.ed. Wadsworth, 1974.