APA (7th ed.) Citation

Van Valkenburg, S., & Huntington, E. (1935). Europe. J. Wiley & sons.

Chicago Style (17th ed.) Citation

Van Valkenburg, Samuel, and Ellsworth Huntington. Europe. New York: J. Wiley & sons, 1935.

MLA (9th ed.) Citation

Van Valkenburg, Samuel, and Ellsworth Huntington. Europe. J. Wiley & sons, 1935.

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