Cummings, S. D. (2008). Red states, blue states and the coming sharecropper society. Algora Pub..
芝加哥风格引文Cummings, Stephen D. Red States, Blue States and the Coming Sharecropper Society. New York: Algora Pub., 2008.
MLA引文Cummings, Stephen D. Red States, Blue States and the Coming Sharecropper Society. Algora Pub., 2008.
警告：这些引文格式不一定是100％准确.