Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

Postlethwait, John H., e Janet L. Hopson. The Nature of Life. 2nd edition. McGraw-Hill, 1992.