S42-39-017 - STS-042 - STS-42 Earth observations

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973. S42-39-017 - 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/22632775. (Accessed October 17, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973, (1981-04-12/2011-07-21) S42-39-017 - STS-042 - STS-42 Earth observations. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22632775
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/22632775>.
Note: These citations are programmatically generated and may be incomplete.