APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Michigan. State Highway Department, Highway Planning Survey (Mich.), and United States. Public Roads Administration. General Highway Map, Ontonagon County.

MLA (9th ed.) Citation

Michigan. State Highway Department, et al. General Highway Map, Ontonagon County.

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