APA (7th ed.) Citation

United States. Army. Air Corps. (1919). Air pressure, gasoline pressure, and oil pressure gauges for airplane engines. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. Air Pressure, Gasoline Pressure, and Oil Pressure Gauges for Airplane Engines. Washington: U.S. GPO, 1919.

MLA (9th ed.) Citation

United States. Army. Air Corps. Air Pressure, Gasoline Pressure, and Oil Pressure Gauges for Airplane Engines. U.S. GPO, 1919.