APA (7th ed.) Citation

Scientific American, Gould, J. L., & Gould, C. G. (1989). Life at the edge: Readings from the Scientific American magazine. Freeman.

Chicago Style (17th ed.) Citation

Scientific American, James L. Gould, and Carol Grant Gould. Life at the Edge: Readings from the Scientific American Magazine. New York: Freeman, 1989.

MLA (9th ed.) Citation

Scientific American, et al. Life at the Edge: Readings from the Scientific American Magazine. Freeman, 1989.