APA (7th ed.) Citation

Postgate, J. R. (1987). Nitrogen fixation (2. ed.). Arnold.

Chicago Style (17th ed.) Citation

Postgate, John R. Nitrogen Fixation. 2. ed. London: Arnold, 1987.

MLA (9th ed.) Citation

Postgate, John R. Nitrogen Fixation. 2. ed. Arnold, 1987.