Gr. 2

Chicago citation style
Gr. 2. 1950-1965. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/k930c389f. (Accessed June 18, 2018.)
APA citation style
(1950-1965) Gr. 2. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/k930c389f
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/k930c389f>.
Note: These citations are programmatically generated and may be incomplete.