APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Scientific American, et al. Life at the Edge: Readings from Scientific American Magazine. W.H. Freemand, 1989.