Parks, R. J. (1972). Democracy's railroads; public enterprise in Jacksonian Michigan. Kennikat Press.
芝加哥风格引文Parks, Robert J. Democracy's Railroads; Public Enterprise in Jacksonian Michigan. Port Washington, N.Y.: Kennikat Press, 1972.
MLA引文Parks, Robert J. Democracy's Railroads; Public Enterprise in Jacksonian Michigan. Kennikat Press, 1972.
警告：这些引文格式不一定是100％准确.