S42-203-020 - STS-042 - STS-42 Earth observations

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973-. S42-203-020 - STS-042 - STS-42 Earth observations. 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22631311. (Accessed June 19, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973-, (1981-04-12/2011-07-21) S42-203-020 - STS-042 - STS-42 Earth observations. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22631311
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/22631311>.
Note: These citations are programmatically generated and may be incomplete.