(1968). 4/68-2R NASA thesaurus: Subject terms for indexing scientific and technical information. Preliminary edition. NASA SP-7030. December 1967. Scientific and Technical Information Division, Office of Technology Utilization. National Aeronautics and Space Administration, Washington, D.C. 3 volumes Sold by Superintendent of Documents: 1968 price, $8.50. American Documentation, 19(2), 208-209. https://doi.org/10.1002/asi.5090190220
Chicago Style (17th ed.) Citation"4/68-2R NASA Thesaurus: Subject Terms for Indexing Scientific and Technical Information. Preliminary Edition. NASA SP-7030. December 1967. Scientific and Technical Information Division, Office of Technology Utilization. National Aeronautics and Space Administration, Washington, D.C. 3 Volumes Sold by Superintendent of Documents: 1968 Price, $8.50." American Documentation 19, no. 2 (1968): 208-209. https://doi.org/10.1002/asi.5090190220.
MLA (9th ed.) Citation"4/68-2R NASA Thesaurus: Subject Terms for Indexing Scientific and Technical Information. Preliminary Edition. NASA SP-7030. December 1967. Scientific and Technical Information Division, Office of Technology Utilization. National Aeronautics and Space Administration, Washington, D.C. 3 Volumes Sold by Superintendent of Documents: 1968 Price, $8.50." American Documentation, vol. 19, no. 2, 1968, pp. 208-209, https://doi.org/10.1002/asi.5090190220.