STS111-721-049 - STS-111 - Earth Observation from space taken during Mission STS-111 UF-2.

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973. STS111-721-049 - STS-111 - Earth Observation from space taken during Mission STS-111 UF-2.. 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23378711. (Accessed November 14, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973, (1981-04-12/2011-07-21) STS111-721-049 - STS-111 - Earth Observation from space taken during Mission STS-111 UF-2.. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23378711
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/23378711>.
Note: These citations are programmatically generated and may be incomplete.