Hoffmann, P. (2012). Tomorrow's energy: Hydrogen, fuel cells, and the prospects for a cleaner planet (Rev. and expanded ed.). MIT Press.
芝加哥风格引文Hoffmann, Peter. Tomorrow's Energy: Hydrogen, Fuel Cells, and the Prospects for a Cleaner Planet. Rev. and expanded ed. Cambridge, Mass.: MIT Press, 2012.
MLA引文Hoffmann, Peter. Tomorrow's Energy: Hydrogen, Fuel Cells, and the Prospects for a Cleaner Planet. Rev. and expanded ed. MIT Press, 2012.
警告：这些引文格式不一定是100％准确.