APA (7th ed.) Citation

Chandler, R. W. (1970). Map of the United States: Lead mines on the Upper Mississippi River. State Historical Society of Wisconsin?.

Chicago Style (17th ed.) Citation

Chandler, R. W. Map of the United States: Lead Mines on the Upper Mississippi River. [Madison, Wis.: State Historical Society of Wisconsin?, 1970.

MLA (8th ed.) Citation

Chandler, R. W. Map of the United States: Lead Mines on the Upper Mississippi River. State Historical Society of Wisconsin?, 1970.