APA (7th ed.) Citation

United States. Bureau of Mines. (1939). Procedure for applying for tests made on all explosives and blasting devices by the Explosives Division of the Bureau of Mines, prescribed conditions and requirements for permissibility when used in coal mines and schedule of fees for the tests. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Procedure for Applying for Tests Made on All Explosives and Blasting Devices by the Explosives Division of the Bureau of Mines, Prescribed Conditions and Requirements for Permissibility When Used in Coal Mines and Schedule of Fees for the Tests. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Bureau of Mines. Procedure for Applying for Tests Made on All Explosives and Blasting Devices by the Explosives Division of the Bureau of Mines, Prescribed Conditions and Requirements for Permissibility When Used in Coal Mines and Schedule of Fees for the Tests. [s.n.], 1939.