United States. National Transportation Safety Board. (1985). Pipeline accident report: National Fuel Gas Company natural gas explosion and fire, Sharpsville, Pennsylvania, February 22, 1985. The Board.
Chicago Style (17th ed.) CitationUnited States. National Transportation Safety Board. Pipeline Accident Report: National Fuel Gas Company Natural Gas Explosion and Fire, Sharpsville, Pennsylvania, February 22, 1985. Washington, D.C.: The Board, 1985.
MLA (9th ed.) CitationUnited States. National Transportation Safety Board. Pipeline Accident Report: National Fuel Gas Company Natural Gas Explosion and Fire, Sharpsville, Pennsylvania, February 22, 1985. The Board, 1985.
Warning: These citations may not always be 100% accurate.