United States. Office of Indian Affairs. (1939). Indians at Work, Aug. 1939. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Office of Indian Affairs. Indians at Work, Aug. 1939. [Washington]: [s.n.], 1939.
MLA (8th ed.) CitationUnited States. Office of Indian Affairs. Indians at Work, Aug. 1939. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.