United States. Bureau of Mines. (1928). Official changes in active list of permissible explosives for Oct. 1928. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines. Official Changes in Active List of Permissible Explosives for Oct. 1928. [Washington]: [publisher not identified], 1928.
MLA (9th ed.) CitationUnited States. Bureau of Mines. Official Changes in Active List of Permissible Explosives for Oct. 1928. [publisher not identified], 1928.
Warning: These citations may not always be 100% accurate.