Citazione Stile APA (7a Edizione)

Hopkins, W. G. (1998). Introduction to plant physiology (2nd ed.). John Wiley & Sons, Inc..

Citazione stile Chigago Style (17a edizione)

Hopkins, William G. Introduction to Plant Physiology. 2nd ed. New York: John Wiley & Sons, Inc., 1998.

Citatione MLA (9a ed.)

Hopkins, William G. Introduction to Plant Physiology. 2nd ed. John Wiley & Sons, Inc., 1998.