Hidy, R. W. (2004). Great Northern Railway: A history (First University of Minnesota Press ed.). University of Minnesota Press.
Cita Chicago Style (17a ed.)Hidy, Ralph W. Great Northern Railway: A History. First University of Minnesota Press ed. Minneapolis, Minn. ; London: University of Minnesota Press, 2004.
Cita MLA (9a ed.)Hidy, Ralph W. Great Northern Railway: A History. First University of Minnesota Press ed. University of Minnesota Press, 2004.
Precaución: Estas citas no son 100% exactas.