United States. Department of Commerce. (1914). Permissible explosives tested prior to Jan. 1, 1914. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Commerce. Permissible Explosives Tested Prior to Jan. 1, 1914. [Washington]: GPO, 1914.
MLA (9th ed.) CitationUnited States. Department of Commerce. Permissible Explosives Tested Prior to Jan. 1, 1914. GPO, 1914.
Warning: These citations may not always be 100% accurate.