Weigert, H. W. (1942). German geopolitics. London: Oxford University Press.
芝加哥风格引文Weigert, Hans Werner. German Geopolitics. London: Oxford University Press, 1942.
MLA引文Weigert, Hans Werner. German Geopolitics. London: Oxford University Press, 1942.
警告：这些引文格式不一定是100％准确.