Chicago

Chicago citation style
Gemmell, John. Chicago. 1858. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/4m90f764j. (Accessed June 18, 2018.)
APA citation style
Gemmell, John, (1858) Chicago. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/4m90f764j
MLA citation style
Gemmell, John. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/4m90f764j>.
Note: These citations are programmatically generated and may be incomplete.