Cita APA

Postlethwait, J. H., & Hopson, J. L. (1992). The nature of life (2. edition.). New York: McGraw-Hill, Inc..

Citación estilo Chicago

Postlethwait, John H., y Janet L. Hopson. The Nature of Life. 2. edition. New York: McGraw-Hill, Inc., 1992.

Cita MLA

Postlethwait, John H., y Janet L. Hopson. The Nature of Life. 2. edition. New York: McGraw-Hill, Inc., 1992.