Spencer, J. E., Thomas , W. L., & Carto. by Winter , R. E. (1969). Cultural geography: An evolutionary introduction to our humanized earth. Wiley.
Cita Chicago (17th ed.)Spencer, Joseph Earle, William L. Thomas , i Robert E. Carto. by Winter. Cultural Geography: An Evolutionary Introduction to Our Humanized Earth. New York: Wiley, 1969.
Cita MLA (9th ed.)Spencer, Joseph Earle, et al. Cultural Geography: An Evolutionary Introduction to Our Humanized Earth. Wiley, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.