Map showing the distribution of the slave population of the southern states of the United States

Chicago citation style
Hergesheimer, E. (Edwin). Map showing the distribution of the slave population of the southern states of the United States. 1861. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/w9505r836. (Accessed September 21, 2018.)
APA citation style
Hergesheimer, E. (Edwin), (1861) Map showing the distribution of the slave population of the southern states of the United States. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/w9505r836
MLA citation style
Hergesheimer, E. (Edwin). Retrieved from the Digital Public Library of America <https://ark.digitalcommonwealth.org/ark:/50959/w9505r836>.
Note: These citations are programmatically generated and may be incomplete.