McHugh, James G. Comparison of Three Exit-Area Control Devices on an N.A.C.A. Cowling, Special Report. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc65123/. Accessed July 11, 2014.
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.