S121E06194 - STS-121 - Sellers changes out the IUA during EVA2 for STS-121 / Expedition 13 joint operations

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973. S121E06194 - STS-121 - Sellers changes out the IUA during EVA2 for STS-121 / Expedition 13 joint operations. 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23439306. (Accessed October 22, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973, (1981-04-12/2011-07-21) S121E06194 - STS-121 - Sellers changes out the IUA during EVA2 for STS-121 / Expedition 13 joint operations. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23439306
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/23439306>.
Note: These citations are programmatically generated and may be incomplete.