France 1806 CPZ Choropleth Maps

Chicago citation style
G. William Skinner; Xue Liu. France 1806 CPZ Choropleth Maps. 1801-1861. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/skinner/id/1147. (Accessed October 16, 2018.)
APA citation style
G. William Skinner; Xue Liu, (1801-1861) France 1806 CPZ Choropleth Maps. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/skinner/id/1147
MLA citation style
G. William Skinner; Xue Liu. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/skinner/id/1147>.
Note: These citations are programmatically generated and may be incomplete.