APA (7th ed.) Citation

Patton, C. P., Alexander, C. S., & Kramer, F. L. (1970). Physical geography. Wadsworth.

Chicago Style (17th ed.) Citation

Patton, Clyde P., Charles S. Alexander, and Fritz L. Kramer. Physical Geography. Belmont, Calif: Wadsworth, 1970.

MLA (9th ed.) Citation

Patton, Clyde P., et al. Physical Geography. Wadsworth, 1970.