Hopkins, A. G. (2018). American Empire: A Global History (America in the World). Princeton University Press.
芝加哥风格引文Hopkins, A. G. American Empire: A Global History (America in the World). New Jersey: Princeton University Press, 2018.
MLA引文Hopkins, A. G. American Empire: A Global History (America in the World). Princeton University Press, 2018.
警告：这些引文格式不一定是100％准确.