STS073-211-020 - STS-073 - Crewmembers in Spacelab

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973. STS073-211-020 - STS-073 - Crewmembers in Spacelab. 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22944215. (Accessed October 18, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973, (1981-04-12/2011-07-21) STS073-211-020 - STS-073 - Crewmembers in Spacelab. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22944215
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/22944215>.
Note: These citations are programmatically generated and may be incomplete.