Tiffany, M. E., & Nelson, M. L. (1998). Creating a canonical scientific and technical information classification system for NCSTRL+. National Aeronautics and Space Administration, Langley Research Center.
Chicago Style (17th ed.) CitationTiffany, Melissa E., and Michael L. Nelson. Creating a Canonical Scientific and Technical Information Classification System for NCSTRL+. Hampton, Virginia: National Aeronautics and Space Administration, Langley Research Center, 1998.
MLA (9th ed.) CitationTiffany, Melissa E., and Michael L. Nelson. Creating a Canonical Scientific and Technical Information Classification System for NCSTRL+. National Aeronautics and Space Administration, Langley Research Center, 1998.
Warning: These citations may not always be 100% accurate.