Cita APA (7th ed.)

Hopkins, W. G., & Hunner, N. P. A. (2009). Introduction to plant physiology (4th ed.). Wiley.

Cita Chicago (17th ed.)

Hopkins, William G., i Norman. P. A. Hunner. Introduction to Plant Physiology. 4th ed. Chennai: Wiley, 2009.

Cita MLA (9th ed.)

Hopkins, William G., i Norman. P. A. Hunner. Introduction to Plant Physiology. 4th ed. Wiley, 2009.