Central Electric Railfans' Association. (1951). The electric railroads of Washington State.
Cita Chicago Style (17a ed.)Central Electric Railfans' Association. The Electric Railroads of Washington State. Chicago, 1951.
Cita MLA (8a ed.)Central Electric Railfans' Association. The Electric Railroads of Washington State. 1951.
Precaución: Estas citas no son 100% exactas.