S28-72-004 - STS-028 - Separation of the external tank (ET)

Chicago citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973. S28-72-004 - STS-028 - Separation of the external tank (ET). 1981-04-12/2011-07-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22511713. (Accessed October 20, 2018.)
APA citation style
National Aeronautics and Space Administration. Lyndon B. Johnson Space Center. 2/17/1973, (1981-04-12/2011-07-21) S28-72-004 - STS-028 - Separation of the external tank (ET). Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22511713
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/22511713>.
Note: These citations are programmatically generated and may be incomplete.