Cita APA (7a ed.)

Robertson, D. B. (1986). Encyclopedia of western railroad history. Caxton Printers.

Cita Chicago Style (17a ed.)

Robertson, Donald B. Encyclopedia of Western Railroad History. Caldwell, Idaho: Caxton Printers, 1986.

Cita MLA (8a ed.)

Robertson, Donald B. Encyclopedia of Western Railroad History. Caxton Printers, 1986.

Precaución: Estas citas no son 100% exactas.