Lewis, E. (1973). The urban political system. Dryden Press.
芝加哥风格引文Lewis, Eugene. The Urban Political System. Hinsdale, Ill.: Dryden Press, 1973.
MLA引文Lewis, Eugene. The Urban Political System. Dryden Press, 1973.
警告：这些引文格式不一定是100％准确.
APA引文