S42-71-025 - STS-042 - External tanks separated after launch

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973-. S42-71-025 - STS-042 - External tanks separated after launch. 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22633321. (Accessed July 15, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973-, (1981-04-12/2011-07-21) S42-71-025 - STS-042 - External tanks separated after launch. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22633321
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/22633321>.
Note: These citations are programmatically generated and may be incomplete.