S120E007436 - STS-120 - Earth Observations taken by the STS-120 crew.

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973. S120E007436 - STS-120 - Earth Observations taken by the STS-120 crew.. 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23431734. (Accessed September 19, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973, (1981-04-12/2011-07-21) S120E007436 - STS-120 - Earth Observations taken by the STS-120 crew.. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23431734
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/23431734>.
Note: These citations are programmatically generated and may be incomplete.