United States. National Advisory Committee for Aeronautics. (1934). Tests of Nacelle-Propeller Combinations in Various Positions with Reference to wings: IV - Thick Wing -various radical-engine cowlings - tandem propellers. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Tests of Nacelle-Propeller Combinations in Various Positions with Reference to Wings: IV - Thick Wing -various Radical-engine Cowlings - Tandem Propellers. [Washington]: [s.n.], 1934.
MLA (9th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Tests of Nacelle-Propeller Combinations in Various Positions with Reference to Wings: IV - Thick Wing -various Radical-engine Cowlings - Tandem Propellers. [s.n.], 1934.
Warning: These citations may not always be 100% accurate.