Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.