Marszalek. The Best Writings of Ulysses S. Grant. Southern Illinois University Press.
芝加哥风格引文Marszalek. The Best Writings of Ulysses S. Grant. Southern Illinois University Press.
MLA引文Marszalek. The Best Writings of Ulysses S. Grant. Southern Illinois University Press.
警告：这些引文格式不一定是100％准确.