APA (7th ed.) Citation

United States. Bureau of Mines. (1931). Cooperative research between U.S. Bureau of Mines and Safety in Mines Research Board. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Cooperative Research Between U.S. Bureau of Mines and Safety in Mines Research Board. [Washington]: [publisher not identified], 1931.

MLA (9th ed.) Citation

United States. Bureau of Mines. Cooperative Research Between U.S. Bureau of Mines and Safety in Mines Research Board. [publisher not identified], 1931.