Letter from Colonel Thomas P. Stafford to Dr. Robert R. Gilruth

Chicago citation style
National Aeronautics and Space Administration. John F. Kennedy Space Center. Public Information Branch. 12/1963?. Letter from Colonel Thomas P. Stafford to Dr. Robert R. Gilruth. 1969-06-27. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23904842. (Accessed October 20, 2018.)
APA citation style
National Aeronautics and Space Administration. John F. Kennedy Space Center. Public Information Branch. 12/1963?, (1969-06-27) Letter from Colonel Thomas P. Stafford to Dr. Robert R. Gilruth. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/23904842
MLA citation style
National Aeronautics and Space Administration. John F. Kennedy Space Center. Public Information Branch. 12/1963?. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/23904842>.
Note: These citations are programmatically generated and may be incomplete.