STS090-321-020 - STS-090 - STS-90 inflight crew portrait

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973. STS090-321-020 - STS-090 - STS-90 inflight crew portrait. 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23140863. (Accessed October 21, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973, (1981-04-12/2011-07-21) STS090-321-020 - STS-090 - STS-90 inflight crew portrait. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23140863
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/23140863>.
Note: These citations are programmatically generated and may be incomplete.