DISCOVERY CHALLENGE

Chicago citation style
National Aeronautics and Space Administration. Goddard Space Flight Center. 5/1/1959. DISCOVERY CHALLENGE. 2006-01-01/2011-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/18426264. (Accessed October 16, 2018.)
APA citation style
National Aeronautics and Space Administration. Goddard Space Flight Center. 5/1/1959, (2006-01-01/2011-12-31) DISCOVERY CHALLENGE. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/18426264
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/18426264>.
Note: These citations are programmatically generated and may be incomplete.