APA (7th ed.) Citation

National Survey (Firm) & Ontonagon Board of County Road Commissioners. (1978). Map of Ontonagon County, Michigan. National Survey.

Chicago Style (17th ed.) Citation

National Survey (Firm) and Ontonagon Board of County Road Commissioners. Map of Ontonagon County, Michigan. Chester, Vt.: National Survey, 1978.

MLA (9th ed.) Citation

National Survey (Firm) and Ontonagon Board of County Road Commissioners. Map of Ontonagon County, Michigan. National Survey, 1978.