Classes - closeup

Chicago citation style
Classes - closeup. 1971-07-28. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/k930hk72v. (Accessed December 9, 2018.)
APA citation style
(1971-07-28) Classes - closeup. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/k930hk72v
MLA citation style
Retrieved from the Digital Public Library of America <https://ark.digitalcommonwealth.org/ark:/50959/k930hk72v>.
Note: These citations are programmatically generated and may be incomplete.