Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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