APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1934). D.H. 86 "Express Air Liner" (British): A four-engine biplane. National Advisory Committee for Aeronautics.

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. D.H. 86 "Express Air Liner" (British): A Four-engine Biplane. Washington, [D.C.]: National Advisory Committee for Aeronautics, 1934.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. D.H. 86 "Express Air Liner" (British): A Four-engine Biplane. National Advisory Committee for Aeronautics, 1934.