United States. National Aeronautics and Space Administration. History Office & Dick, S. J. (2007). America in space: NASA's first fifty years. Abrams.
Chicago Style (17th ed.) CitationUnited States. National Aeronautics and Space Administration. History Office and Steven J. Dick. America in Space: NASA's First Fifty Years. New York: Abrams, 2007.
MLA (8th ed.) CitationUnited States. National Aeronautics and Space Administration. History Office and Steven J. Dick. America in Space: NASA's First Fifty Years. Abrams, 2007.
Warning: These citations may not always be 100% accurate.