APA (7th ed.) Citation

Ohio. Department of Highways. (1971). Ohio highway map. The Department.

Chicago Style (17th ed.) Citation

Ohio. Department of Highways. Ohio Highway Map. Columbus: The Department, 1971.

MLA (9th ed.) Citation

Ohio. Department of Highways. Ohio Highway Map. The Department, 1971.

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