Janda, K., Berry, J., & Goldman, J. (2001). The challenge of democracy: Government in America (Brief Edition, Post Inaugural Edition, Fourth Edition.). Houghton Mifflin.
芝加哥风格引文Janda, Kenneth, Jeffrey Berry, 与 Jerry Goldman. The Challenge of Democracy: Government in America. Brief Edition, Post Inaugural Edition, Fourth Edition. Boston: Houghton Mifflin, 2001.
MLA引文Janda, Kenneth, et al. The Challenge of Democracy: Government in America. Brief Edition, Post Inaugural Edition, Fourth Edition. Houghton Mifflin, 2001.
警告：这些引文格式不一定是100％准确.