APA (7th ed.) Citation

Michigan. State Highway Department. (1937). Road map of Houghton County. Michigan State Highway Dept..

Chicago Style (17th ed.) Citation

Michigan. State Highway Department. Road Map of Houghton County. Lansing: Michigan State Highway Dept., 1937.

MLA (8th ed.) Citation

Michigan. State Highway Department. Road Map of Houghton County. Michigan State Highway Dept., 1937.

Warning: These citations may not always be 100% accurate.