41G-X-021 - STS-41G - STS 41-G External Tank Separation

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973. 41G-X-021 - STS-41G - STS 41-G External Tank Separation. 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22621961. (Accessed October 22, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973, (1981-04-12/2011-07-21) 41G-X-021 - STS-41G - STS 41-G External Tank Separation. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22621961
MLA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/22621961>.
Note: These citations are programmatically generated and may be incomplete.