APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics. (1933). Heinkel He 64 c sport airplane (German): A two-seat low-wing cantilever monoplane. National Advisory Committee for Aeronautics.

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics. Heinkel He 64 C Sport Airplane (German): A Two-seat Low-wing Cantilever Monoplane. Washington, [D.C.]: National Advisory Committee for Aeronautics, 1933.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics. Heinkel He 64 C Sport Airplane (German): A Two-seat Low-wing Cantilever Monoplane. National Advisory Committee for Aeronautics, 1933.