United States. Chemical Safety and Hazard Investigation Board. (2003). Hazards of nitrogen asphyxiation. U.S. Chemical Safety and Hazard Investigation Board.
Chicago Style (17th ed.) CitationUnited States. Chemical Safety and Hazard Investigation Board. Hazards of Nitrogen Asphyxiation. [Washington, D.C.]: U.S. Chemical Safety and Hazard Investigation Board, 2003.
MLA (9th ed.) CitationUnited States. Chemical Safety and Hazard Investigation Board. Hazards of Nitrogen Asphyxiation. U.S. Chemical Safety and Hazard Investigation Board, 2003.
Warning: These citations may not always be 100% accurate.