Allen. Classical Spies. University of Michigan Press.
芝加哥风格引文Allen. Classical Spies. University of Michigan Press.
MLA引文Allen. Classical Spies. University of Michigan Press.
警告：这些引文格式不一定是100％准确.
APA引文
Allen. Classical Spies. University of Michigan Press.
芝加哥风格引文Allen. Classical Spies. University of Michigan Press.
MLA引文Allen. Classical Spies. University of Michigan Press.