APA (7th ed.) Citation

Huntington, E., Williams, F. E., & VanValkenburg, S. (1933). Economic and social geography. Wiley.

Chicago Style (17th ed.) Citation

Huntington, Ellsworth, Frank E. Williams, and Samuel VanValkenburg. Economic and Social Geography. New York: Wiley, 1933.

MLA (9th ed.) Citation

Huntington, Ellsworth, et al. Economic and Social Geography. Wiley, 1933.

Warning: These citations may not always be 100% accurate.