Map of Polk County showing roads (1921)

Chicago citation style
Jakobe, H.J. Map of Polk County showing roads (1921). 1921. Retrieved from the Digital Public Library of America, http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll23/id/476. (Accessed November 17, 2019.)
APA citation style
Jakobe, H.J, (1921) Map of Polk County showing roads (1921). Retrieved from the Digital Public Library of America, http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll23/id/476
MLA citation style
Jakobe, H.J. Retrieved from the Digital Public Library of America <http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll23/id/476>.
Note: These citations are programmatically generated and may be incomplete.