APA (7th ed.) Citation

Spencer, J. E., & Thomas, W. L. (1969). Cultural geography: An evolutionary introduction to our humanized earth. Wiley.

Chicago Style (17th ed.) Citation

Spencer, J. E., and William L. Thomas. Cultural Geography: An Evolutionary Introduction to Our Humanized Earth. New York: Wiley, 1969.

MLA (8th ed.) Citation

Spencer, J. E., and William L. Thomas. Cultural Geography: An Evolutionary Introduction to Our Humanized Earth. Wiley, 1969.