Spencer, R. F. (1965). The native Americans: Prehistory and ethnology of the North American Indians. Harper and Row.
Citación estilo ChicagoSpencer, Robert F. The Native Americans: Prehistory and Ethnology of the North American Indians. New York: Harper and Row, 1965.
Cita MLASpencer, Robert F. The Native Americans: Prehistory and Ethnology of the North American Indians. Harper and Row, 1965.
Warning: These citations may not always be 100% accurate.