United States. National Advisory Committee for Aeronautics. (1937). Aerodynamic characteristics of full℗--scale propellers having 2, 3, and 4 blades of Clark Y and R. A. F. 6 airfoil sections. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Aerodynamic Characteristics of Full℗--scale Propellers Having 2, 3, and 4 Blades of Clark Y and R. A. F. 6 Airfoil Sections. [Washington]: [s.n.], 1937.
MLA (9th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Aerodynamic Characteristics of Full℗--scale Propellers Having 2, 3, and 4 Blades of Clark Y and R. A. F. 6 Airfoil Sections. [s.n.], 1937.
Warning: These citations may not always be 100% accurate.