Hiltzik, M. A. (2020). Iron empires: Robber barons, railroads, and the making of modern America. Houghton Mifflin Harcourt.
Cita Chicago Style (17a ed.)Hiltzik, Michael A. Iron Empires: Robber Barons, Railroads, and the Making of Modern America. Boston: Houghton Mifflin Harcourt, 2020.
Cita MLA (8a ed.)Hiltzik, Michael A. Iron Empires: Robber Barons, Railroads, and the Making of Modern America. Houghton Mifflin Harcourt, 2020.
Precaución: Estas citas no son 100% exactas.