APA (7th ed.) Citation

Colorado. Department of Highways. Planning and Research Division. (1953). General highway map, Ouray County, Colorado (Rev.). The Department.

Chicago Style (17th ed.) Citation

Colorado. Department of Highways. Planning and Research Division. General Highway Map, Ouray County, Colorado. Rev. [Denver]: The Department, 1953.

MLA (8th ed.) Citation

Colorado. Department of Highways. Planning and Research Division. General Highway Map, Ouray County, Colorado. Rev. The Department, 1953.