STS056-11-020 - STS-056 - Earth limb, subdued sunset and airglow.

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973. STS056-11-020 - STS-056 - Earth limb, subdued sunset and airglow.. 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23271890. (Accessed September 26, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973, (1981-04-12/2011-07-21) STS056-11-020 - STS-056 - Earth limb, subdued sunset and airglow.. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23271890
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/23271890>.
Note: These citations are programmatically generated and may be incomplete.