APA (7th ed.) Citation

Fry, B. A. (1955). The nitrogen metabolism of micro-organisms. Methuen.

Chicago Style (17th ed.) Citation

Fry, B. A. The Nitrogen Metabolism of Micro-organisms. London: Methuen, 1955.

MLA (9th ed.) Citation

Fry, B. A. The Nitrogen Metabolism of Micro-organisms. Methuen, 1955.

Warning: These citations may not always be 100% accurate.