United States. Department of Commerce. (1912). Training with mine-rescue breathing apparatus. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Commerce. Training with Mine-rescue Breathing Apparatus. [Washington]: GPO, 1912.
MLA (9th ed.) CitationUnited States. Department of Commerce. Training with Mine-rescue Breathing Apparatus. GPO, 1912.
Warning: These citations may not always be 100% accurate.