APA (7th ed.) Citation

United States. Bureau of Mines. (1944). Some of the Hazards of Auxiliary Fans in Coal Mines. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Some of the Hazards of Auxiliary Fans in Coal Mines. [Washington]: [s.n.], 1944.

MLA (9th ed.) Citation

United States. Bureau of Mines. Some of the Hazards of Auxiliary Fans in Coal Mines. [s.n.], 1944.