Lawson, R. M., & Lawson, B. A. (2008). Poverty in America: An encyclopedia. Greenwood Press.
芝加哥风格引文Lawson, Russell M., 与 Benjamin A. Lawson. Poverty in America: An Encyclopedia. Westport, Conn.: Greenwood Press, 2008.
MLA引文Lawson, Russell M., 与 Benjamin A. Lawson. Poverty in America: An Encyclopedia. Greenwood Press, 2008.
警告：这些引文格式不一定是100％准确.