To Clark Kerr, Dec. 20, 1964

Chicago citation style
To Clark Kerr, Dec. 20, 1964. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49n5nh. (Accessed December 13, 2018.)
APA citation style
To Clark Kerr, Dec. 20, 1964. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49n5nh
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.cdlib.org/ark:/13030/kt2j49n5nh>.
Note: These citations are programmatically generated and may be incomplete.