APA (7th ed.) Citation

United States. Bureau of Mines. (1937). Studies of roof movement in coal mines: 1, Montour 10 mine of Pittsburgh Coal Co. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Studies of Roof Movement in Coal Mines: 1, Montour 10 Mine of Pittsburgh Coal Co. [Washington]: [s.n.], 1937.

MLA (9th ed.) Citation

United States. Bureau of Mines. Studies of Roof Movement in Coal Mines: 1, Montour 10 Mine of Pittsburgh Coal Co. [s.n.], 1937.