Map of Tennessee showing Congressional districts

Chicago citation style
National Map Co. Map of Tennessee showing Congressional districts. 1920. Retrieved from the Digital Public Library of America, http://teva.contentdm.oclc.org/cdm/ref/collection/p15138coll23/id/10038. (Accessed September 30, 2020.)
APA citation style
National Map Co, (1920) Map of Tennessee showing Congressional districts. Retrieved from the Digital Public Library of America, http://teva.contentdm.oclc.org/cdm/ref/collection/p15138coll23/id/10038
MLA citation style
National Map Co. Retrieved from the Digital Public Library of America <http://teva.contentdm.oclc.org/cdm/ref/collection/p15138coll23/id/10038>.
Note: These citations are programmatically generated and may be incomplete.