United States. National Advisory Committee for Aeronautics. (1938). Wind℗--tunnel tests of 3 lateral-control devices in combination with full℗--span slotted flap on N. A. C. A. 23012 airfoil. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Wind℗--tunnel Tests of 3 Lateral-control Devices in Combination with Full℗--span Slotted Flap on N. A. C. A. 23012 Airfoil. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Wind℗--tunnel Tests of 3 Lateral-control Devices in Combination with Full℗--span Slotted Flap on N. A. C. A. 23012 Airfoil. [s.n.], 1938.
Warning: These citations may not always be 100% accurate.