APA (7th ed.) Citation

Fitter, A., & Hay, R. (1981). Environmental physiology of plants. Academic Press.

Chicago Style (17th ed.) Citation

Fitter, Alastair, and Roy Hay. Environmental Physiology of Plants. London ; New York: Academic Press, 1981.

MLA (9th ed.) Citation

Fitter, Alastair, and Roy Hay. Environmental Physiology of Plants. Academic Press, 1981.