APA (7th ed.) Citation

Bray, C. M. (1983). Nitrogen metabolism in plants. Longman.

Chicago Style (17th ed.) Citation

Bray, C. M. Nitrogen Metabolism in Plants. London New York: Longman, 1983.

MLA (9th ed.) Citation

Bray, C. M. Nitrogen Metabolism in Plants. Longman, 1983.