Hill, M. K. (2004). Understanding environmental pollution: A primer (Second edition.). Cambridge.
芝加哥风格引文Hill, Marquita K. Understanding Environmental Pollution: A Primer. Second edition. Cambridge, UK ; New York: Cambridge, 2004.
MLA引文Hill, Marquita K. Understanding Environmental Pollution: A Primer. Second edition. Cambridge, 2004.
警告：这些引文格式不一定是100％准确.