Purves, W. K. (1998). Life: The science of biology (5th.ed.). Sinauer associates.
芝加哥风格引文Purves, William K. Life: The Science of Biology. 5th.ed. Salt Lake City: Sinauer associates, 1998.
MLA引文Purves, William K. Life: The Science of Biology. 5th.ed. Sinauer associates, 1998.
警告：这些引文格式不一定是100％准确.