1970s

Chicago citation style
1970s. 1971-07-28. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/k930hk00m. (Accessed December 10, 2018.)
APA citation style
(1971-07-28) 1970s. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/k930hk00m
MLA citation style
Retrieved from the Digital Public Library of America <https://ark.digitalcommonwealth.org/ark:/50959/k930hk00m>.
Note: These citations are programmatically generated and may be incomplete.