United States. National Advisory Committee for Aeronautics. (1930). The Junkers "G 38" commercial airplane (German): A giant high-wing monoplane. National Advisory Committee for Aeronautics.
Chicago Style (17th ed.) CitationUnited States. National Advisory Committee for Aeronautics. The Junkers "G 38" Commercial Airplane (German): A Giant High-wing Monoplane. Washington, [D.C.]: National Advisory Committee for Aeronautics, 1930.
MLA (9th ed.) CitationUnited States. National Advisory Committee for Aeronautics. The Junkers "G 38" Commercial Airplane (German): A Giant High-wing Monoplane. National Advisory Committee for Aeronautics, 1930.
Warning: These citations may not always be 100% accurate.