Ulmer, M. J. (1966). Trends and cycles in capital formation by United States railroads, 1870-1950. National Bureau of Economic Research Ann Arbor : University Microfilms.
Chicago Style (17th ed.) CitationUlmer, Melville Jack. Trends and Cycles in Capital Formation by United States Railroads, 1870-1950. [New York]: National Bureau of Economic Research Ann Arbor : University Microfilms, 1966.
MLA (8th ed.) CitationUlmer, Melville Jack. Trends and Cycles in Capital Formation by United States Railroads, 1870-1950. National Bureau of Economic Research Ann Arbor : University Microfilms, 1966.
Warning: These citations may not always be 100% accurate.