Sadava, D. E. (2011). Life: The science of biology (9th ed.). Sinauer Associates W. H. Freeman & Co.
芝加哥风格引文Sadava, David E. Life: The Science of Biology. 9th ed. Sunderland, Mass., Gordonsville, Va: Sinauer Associates W. H. Freeman & Co, 2011.
MLA引文Sadava, David E. Life: The Science of Biology. 9th ed. Sinauer Associates W. H. Freeman & Co, 2011.
警告：这些引文格式不一定是100％准确.