Cahill, Jones F. Aerodynamic tests of an NACA 66(215)-116, a=0.6 airfoil with a 0.25c slotted flap for the Fleetwings XA-39 airplane. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc61411/. Accessed December 9, 2013.
Note: Inconsistencies in capitalization and punctuation within the Digital Library may affect this citation. Before using this citation in formal writing, please consult your preferred style manual. More information.