APA (7th ed.) Citation

United States. Bureau of Mines. (1939). Classification of tabling of table middlings at Colta Coal Washery, Flat Creek, Ala. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Classification of Tabling of Table Middlings at Colta Coal Washery, Flat Creek, Ala. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Bureau of Mines. Classification of Tabling of Table Middlings at Colta Coal Washery, Flat Creek, Ala. [s.n.], 1939.