Webby, B. D. (2004). The great Ordovician biodiversification event. Columbia University Press.
芝加哥风格引文Webby, B. D. The Great Ordovician Biodiversification Event. New York: Columbia University Press, 2004.
MLA引文Webby, B. D. The Great Ordovician Biodiversification Event. Columbia University Press, 2004.
警告：这些引文格式不一定是100％准确.