sts121-327-018 - STS-121 - Earth view over Canada taken during STS-121

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973-. sts121-327-018 - STS-121 - Earth view over Canada taken during STS-121. 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23442102. (Accessed July 22, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973-, (1981-04-12/2011-07-21) sts121-327-018 - STS-121 - Earth view over Canada taken during STS-121. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23442102
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/23442102>.
Note: These citations are programmatically generated and may be incomplete.