Spencer, J. E., Thomas, W. L., & Carto. by Winter, R. E. (1969). Cultural geography: An evolutionary to our humanized earth. Wiley.
Citazione stile Chigago Style (17a edizione)Spencer, Joseph Earle, William L. Thomas, e Robert E. Carto. by Winter. Cultural Geography: An Evolutionary to Our Humanized Earth. New York: Wiley, 1969.
Citatione MLA (9a ed.)Spencer, Joseph Earle, et al. Cultural Geography: An Evolutionary to Our Humanized Earth. Wiley, 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.