Schama, S. (2009). The American future: A history from the founding fathers to Barack Obama. Vintage.
芝加哥风格引文Schama, Simon. The American Future: A History from the Founding Fathers to Barack Obama. London: Vintage, 2009.
MLA引文Schama, Simon. The American Future: A History from the Founding Fathers to Barack Obama. Vintage, 2009.
警告：这些引文格式不一定是100％准确.