APA (7th ed.) Citation

Broughton, W., & Pühler, A. (1986). Nitrogen fixation. Clarendon Press.

Chicago Style (17th ed.) Citation

Broughton, W.J., and A. Pühler. Nitrogen Fixation. Oxford: Clarendon Press, 1986.

MLA (9th ed.) Citation

Broughton, W.J., and A. Pühler. Nitrogen Fixation. Clarendon Press, 1986.