Concept Drawing of an IBM Data Processing Machine

Chicago citation style
Del Carlo, Arnold. Concept Drawing of an IBM Data Processing Machine. 1955/1965. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49r7sw. (Accessed December 17, 2018.)
APA citation style
Del Carlo, Arnold, (1955/1965) Concept Drawing of an IBM Data Processing Machine. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49r7sw
MLA citation style
Del Carlo, Arnold. Retrieved from the Digital Public Library of America <http://ark.cdlib.org/ark:/13030/kt2j49r7sw>.
Note: These citations are programmatically generated and may be incomplete.