United States. National Advisory Committee for Aeronautics, Library of Congress. (1935). Preliminary tests in the N. A. C. A. free℗-spinning wind tunnel. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Advisory Committee for Aeronautics, Library of Congress. Preliminary Tests in the N. A. C. A. Free℗-spinning Wind Tunnel. [Washington]: [s.n.], 1935.
MLA (9th ed.) CitationUnited States. National Advisory Committee for Aeronautics, Library of Congress. Preliminary Tests in the N. A. C. A. Free℗-spinning Wind Tunnel. [s.n.], 1935.
Warning: These citations may not always be 100% accurate.