S121E07807 - STS-121 - The PMA 2 is visible through an AFD window during undocking operations on STS-121

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973-. S121E07807 - STS-121 - The PMA 2 is visible through an AFD window during undocking operations on STS-121. 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23441036. (Accessed August 18, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973-, (1981-04-12/2011-07-21) S121E07807 - STS-121 - The PMA 2 is visible through an AFD window during undocking operations on STS-121. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23441036
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/23441036>.
Note: These citations are programmatically generated and may be incomplete.