APA (7th ed.) Citation

United States. National Transportation Safety Board. (1977). Aircraft accident report, Knob Hill Inc.: Cessna-421, N999MB, Nogales, Arizona, January 22, 1977. [Dept. of Transportation], National Transportation Safety Board.

Chicago Style (17th ed.) Citation

United States. National Transportation Safety Board. Aircraft Accident Report, Knob Hill Inc.: Cessna-421, N999MB, Nogales, Arizona, January 22, 1977. Washington: [Dept. of Transportation], National Transportation Safety Board, 1977.

MLA (9th ed.) Citation

United States. National Transportation Safety Board. Aircraft Accident Report, Knob Hill Inc.: Cessna-421, N999MB, Nogales, Arizona, January 22, 1977. [Dept. of Transportation], National Transportation Safety Board, 1977.