APA (7th ed.) Citation

United States. Office of Indian Affairs. (1940). Indians at Work; June 1940. [s.n.].

Chicago Style (17th ed.) Citation

United States. Office of Indian Affairs. Indians at Work; June 1940. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

United States. Office of Indian Affairs. Indians at Work; June 1940. [s.n.], 1940.

Warning: These citations may not always be 100% accurate.