Lewis Research Center & Little, B. H. (1989). Propfan Test Assessment (PTA): Flight test report. National Aeronautics and Space Administration, Lewis Research Center.
Chicago Style (17th ed.) CitationLewis Research Center and B. H. Little. Propfan Test Assessment (PTA): Flight Test Report. [Cleveland, Ohio]: National Aeronautics and Space Administration, Lewis Research Center, 1989.
MLA (9th ed.) CitationLewis Research Center and B. H. Little. Propfan Test Assessment (PTA): Flight Test Report. National Aeronautics and Space Administration, Lewis Research Center, 1989.
Warning: These citations may not always be 100% accurate.