Smith, N. (2003). American empire: Roosevelt's geographer and the prelude to globalization. University of California Press.
芝加哥风格引文Smith, Neil. American Empire: Roosevelt's Geographer and the Prelude to Globalization. Berkeley: University of California Press, 2003.
MLA引文Smith, Neil. American Empire: Roosevelt's Geographer and the Prelude to Globalization. University of California Press, 2003.
警告：这些引文格式不一定是100％准确.