United States. Bureau of Indian Affairs, United States. Indian Arts and Crafts Board, Coulson, E. H., & Wissler, C. (1950). Three maps of Indian Country. The Indian Service.
Cita Chicago Style (17a ed.)United States. Bureau of Indian Affairs, United States. Indian Arts and Crafts Board, E. H. Coulson, y Clark Wissler. Three Maps of Indian Country. Washington, D.C.: The Indian Service, 1950.
Cita MLA (8a ed.)United States. Bureau of Indian Affairs, et al. Three Maps of Indian Country. The Indian Service, 1950.
Precaución: Estas citas no son 100% exactas.