Shipler, D. K. (2004). The working poor: Invisible in America. New York: Vintage Books.
芝加哥风格引文Shipler, David K. The Working Poor: Invisible in America. New York: Vintage Books, 2004.
MLA引文Shipler, David K. The Working Poor: Invisible in America. New York: Vintage Books, 2004.
警告：这些引文格式不一定是100％准确.