STS050-23-020 - STS-050 - Empty Quarter desert region and center pivot irrigation system, Saudi Arabia.

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973-. STS050-23-020 - STS-050 - Empty Quarter desert region and center pivot irrigation system, Saudi Arabia.. 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22710537. (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) STS050-23-020 - STS-050 - Empty Quarter desert region and center pivot irrigation system, Saudi Arabia.. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22710537
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/22710537>.
Note: These citations are programmatically generated and may be incomplete.