APA (7th ed.) Citation

United States. Bureau of Mines. (1930). Official changes in active list of permissible explosives and blasting devices for Nov. 1930. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Official Changes in Active List of Permissible Explosives and Blasting Devices for Nov. 1930. [Washington]: [publisher not identified], 1930.

MLA (9th ed.) Citation

United States. Bureau of Mines. Official Changes in Active List of Permissible Explosives and Blasting Devices for Nov. 1930. [publisher not identified], 1930.