Não informado. (2004). American Engineer: The railway mechanical monthly. Simmons Boardman Publishing.
Citação do estilo Chicago (17ª ed.)Não informado. American Engineer: The Railway Mechanical Monthly. New York: Simmons Boardman Publishing, 2004.
Citação MLA (8ª ed.)Não informado. American Engineer: The Railway Mechanical Monthly. Simmons Boardman Publishing, 2004.
警告：这些引文格式不一定是100％准确.