APA (7th ed.) Citation

United States. Bureau of Mines. (1930). Safety at mines of Ford Collieries Company, Curtisville, Pa. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Safety at Mines of Ford Collieries Company, Curtisville, Pa. [Washington]: [publisher not identified], 1930.

MLA (9th ed.) Citation

United States. Bureau of Mines. Safety at Mines of Ford Collieries Company, Curtisville, Pa. [publisher not identified], 1930.