Testing Clark's O.N.T. spool cotton

Chicago citation style
Testing Clark's O.N.T. spool cotton. 1870-1900. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/sq87cj937. (Accessed July 18, 2018.)
APA citation style
(1870-1900) Testing Clark's O.N.T. spool cotton. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/sq87cj937
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/sq87cj937>.
Note: These citations are programmatically generated and may be incomplete.