Helen Keller and Polly Thomson visiting Natural Area

Chicago citation style
Helen Keller and Polly Thomson visiting Natural Area. 1920-1962. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/q237j2009. (Accessed June 24, 2018.)
APA citation style
(1920-1962) Helen Keller and Polly Thomson visiting Natural Area. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/q237j2009
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/q237j2009>.
Note: These citations are programmatically generated and may be incomplete.