APA (7th ed.) Citation

Leigh, G. J. (2002). Nitrogen fixation at the millennium. Elsevier.

Chicago Style (17th ed.) Citation

Leigh, G. J. Nitrogen Fixation at the Millennium. Amsterdam: Elsevier, 2002.

MLA (9th ed.) Citation

Leigh, G. J. Nitrogen Fixation at the Millennium. Elsevier, 2002.

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