51F-X-021 - STS-51F - ET Separation during the launch of 51F Challenger

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973-. 51F-X-021 - STS-51F - ET Separation during the launch of 51F Challenger. 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22766139. (Accessed July 23, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973-, (1981-04-12/2011-07-21) 51F-X-021 - STS-51F - ET Separation during the launch of 51F Challenger. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22766139
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/22766139>.
Note: These citations are programmatically generated and may be incomplete.