Cita APA

Wessells, N. K., & Hopson, J. L. (1988). Biology (1. edition.). New York: Random House Inc..

Citación estilo Chicago

Wessells, Norman K., y Janet L. Hopson. Biology. 1. edition. New York: Random House Inc., 1988.

Cita MLA

Wessells, Norman K., y Janet L. Hopson. Biology. 1. edition. New York: Random House Inc., 1988.