APA (7th ed.) Citation

United States. Bureau of Mines. (1938). Active list of permissible explosives and blasting devices approved prior to June 30, 1938. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Active List of Permissible Explosives and Blasting Devices Approved Prior to June 30, 1938. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines, 1938.

MLA (9th ed.) Citation

United States. Bureau of Mines. Active List of Permissible Explosives and Blasting Devices Approved Prior to June 30, 1938. U.S. Dept. of the Interior, Bureau of Mines, 1938.