APA Edition Citation

Hewitt, E. J., & Smith, T. A. (1974). Plant mineral Nutrition. English Universities press Ltd.

Chicago Edition Citation

Hewitt, E J., and T A. Smith. Plant Mineral Nutrition. London: English Universities press Ltd, 1974.

MLA Edition Citation

Hewitt, E J., and T A. Smith. Plant Mineral Nutrition. English Universities press Ltd, 1974.