Concentration camps, U.S.A.; A tribute to the past and present

Chicago citation style
Artist unknown, creator. Concentration camps, U.S.A.; A tribute to the past and present. 1974. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt687035rs. (Accessed October 16, 2018.)
APA citation style
Artist unknown, creator, (1974) Concentration camps, U.S.A.; A tribute to the past and present. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt687035rs
MLA citation style
Artist unknown, creator. Retrieved from the Digital Public Library of America <http://ark.cdlib.org/ark:/13030/kt687035rs>.
Note: These citations are programmatically generated and may be incomplete.