Gould, J. L., & Gould, C. G. (1989). Life at the edge: Readings from Scientific American magazine. Freeman.
芝加哥风格引文Gould, James L., 与 Carol Grant Gould. Life at the Edge: Readings from Scientific American Magazine. New York: Freeman, 1989.
MLA引文Gould, James L., 与 Carol Grant Gould. Life at the Edge: Readings from Scientific American Magazine. Freeman, 1989.
警告：这些引文格式不一定是100％准确.