S127E008461 - STS-127 - Marshburn and Cassidy during EVA-4

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973. S127E008461 - STS-127 - Marshburn and Cassidy during EVA-4. 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23537212. (Accessed October 24, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973, (1981-04-12/2011-07-21) S127E008461 - STS-127 - Marshburn and Cassidy during EVA-4. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23537212
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/23537212>.
Note: These citations are programmatically generated and may be incomplete.