S07-20-994 - STS-007 - Earth observations taken during STS-7 mission

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973. S07-20-994 - STS-007 - Earth observations taken during STS-7 mission. 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22489105. (Accessed October 19, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973, (1981-04-12/2011-07-21) S07-20-994 - STS-007 - Earth observations taken during STS-7 mission. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22489105
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/22489105>.
Note: These citations are programmatically generated and may be incomplete.