Cita APA (7a ed.)

(1918). Railway age. Simmons-Boardman.

Cita Chicago Style (17a ed.)

Railway Age. Bristol, Conn.: Simmons-Boardman, 1918.

Cita MLA (8a ed.)

Railway Age. Simmons-Boardman, 1918.

Precaución: Estas citas no son 100% exactas.