Lenz, T. O., & Holman, M. (2018). American Government, Second Edition (Second edition.). Orange Grove Texts Plus.
芝加哥风格引文Lenz, Timothy O., 与 Mirya Holman. American Government, Second Edition. Second edition. Gainesville [Florida]: Orange Grove Texts Plus, 2018.
MLA引文Lenz, Timothy O., 与 Mirya Holman. American Government, Second Edition. Second edition. Orange Grove Texts Plus, 2018.
警告：这些引文格式不一定是100％准确.