Population density based on the 1930 census, Southern Appalachians

Chicago citation style
Population density based on the 1930 census, Southern Appalachians. 1939. Retrieved from the Digital Public Library of America, http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll23/id/10181. (Accessed October 14, 2019.)
APA citation style
(1939) Population density based on the 1930 census, Southern Appalachians. Retrieved from the Digital Public Library of America, http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll23/id/10181
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll23/id/10181>.
Note: These citations are programmatically generated and may be incomplete.