APA (7th ed.) Citation

Hewitt, E. J., & Smith, T. A. (1975). Plant mineral nutrition. English Universities Press.

Chicago Style (17th ed.) Citation

Hewitt, E. J., and T. A. Smith. Plant Mineral Nutrition. London: English Universities Press, 1975.

MLA (9th ed.) Citation

Hewitt, E. J., and T. A. Smith. Plant Mineral Nutrition. English Universities Press, 1975.