APA (7th ed.) Citation

Washington (State). Department of Highways. (1939). General highway and transportation maps. The Department.

Chicago Style (17th ed.) Citation

Washington (State). Department of Highways. General Highway and Transportation Maps. Olympia, Wash.: The Department, 1939.

MLA (8th ed.) Citation

Washington (State). Department of Highways. General Highway and Transportation Maps. The Department, 1939.

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