Cita APA (7th ed.)

Bidwell, R. G. S. (1979). Plant physiology (2nd ed.). Macmillan.

Cita Chicago (17th ed.)

Bidwell, Roger Grafton Shelford. Plant Physiology. 2nd ed. New York: Macmillan, 1979.

Cita MLA (9th ed.)

Bidwell, Roger Grafton Shelford. Plant Physiology. 2nd ed. Macmillan, 1979.