United States. National Advisory Committee for Aeronautics. (1938). Hydrodynamic and aerodynamic tests of four models of outboard floats N.A.C.A. models 51-A, 51-B, 51-C, and 51-D. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Hydrodynamic and Aerodynamic Tests of Four Models of Outboard Floats N.A.C.A. Models 51-A, 51-B, 51-C, and 51-D. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Hydrodynamic and Aerodynamic Tests of Four Models of Outboard Floats N.A.C.A. Models 51-A, 51-B, 51-C, and 51-D. [s.n.], 1938.
Warning: These citations may not always be 100% accurate.