Não informado. (2004). American Engineer: The railway mechanical monthly. Simmons Boardman Publishing.
Cita Chicago Style (17a ed.)Não informado. American Engineer: The Railway Mechanical Monthly. New York: Simmons Boardman Publishing, 2004.
Cita MLA (8a ed.)Não informado. American Engineer: The Railway Mechanical Monthly. Simmons Boardman Publishing, 2004.
Precaución: Estas citas no son 100% exactas.