Fogel, R. W. (1964). Railroads and American economic growth: Essays in econometric history. Johns Hopkins Press.
芝加哥风格引文Fogel, Robert William. Railroads and American Economic Growth: Essays in Econometric History. Baltimore: Johns Hopkins Press, 1964.
MLA引文Fogel, Robert William. Railroads and American Economic Growth: Essays in Econometric History. Johns Hopkins Press, 1964.
警告：这些引文格式不一定是100％准确.