APA (7th ed.) Citation

Michigan. State Highway Department, Michigan. State Highway Department, Highway Planning Survey (Mich.), & United States. Public Roads Administration. (1940). General highway map, Huron County. Michigan State Highway Department.

Chicago Style (17th ed.) Citation

Michigan. State Highway Department, Michigan. State Highway Department, Highway Planning Survey (Mich.), and United States. Public Roads Administration. General Highway Map, Huron County. [Lansing, Michigan]: Michigan State Highway Department, 1940.

MLA (8th ed.) Citation

Michigan. State Highway Department, et al. General Highway Map, Huron County. Michigan State Highway Department, 1940.