APA (7th ed.) Citation

National Survey (Firm) & Houghton County Road Commission. (2000). Houghton County, Michigan highway map. Houghton County Road Commission.

Chicago Style (17th ed.) Citation

National Survey (Firm) and Houghton County Road Commission. Houghton County, Michigan Highway Map. Hancock, Mich.: Houghton County Road Commission, 2000.

MLA (9th ed.) Citation

National Survey (Firm) and Houghton County Road Commission. Houghton County, Michigan Highway Map. Houghton County Road Commission, 2000.