JOHN MATHER CELEBRATION @ UNIVERSITY OF MARYLAND

Chicago citation style
National Aeronautics and Space Administration. Goddard Space Flight Center. 5/1/1959. JOHN MATHER CELEBRATION @ UNIVERSITY OF MARYLAND. 2006-01-01/2011-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/18402430. (Accessed October 17, 2018.)
APA citation style
National Aeronautics and Space Administration. Goddard Space Flight Center. 5/1/1959, (2006-01-01/2011-12-31) JOHN MATHER CELEBRATION @ UNIVERSITY OF MARYLAND. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/18402430
MLA citation style
National Aeronautics and Space Administration. Goddard Space Flight Center. 5/1/1959. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/18402430>.
Note: These citations are programmatically generated and may be incomplete.