Humphrey, N. D. (1942). Police and Tribal Welfare in Plains Indian Cultures.
Cita Chicago Style (17a ed.)Humphrey, Norman D. Police and Tribal Welfare in Plains Indian Cultures. 1942.
Cita MLA (9a ed.)Humphrey, Norman D. Police and Tribal Welfare in Plains Indian Cultures. 1942.
Precaución: Estas citas no son 100% exactas.