APA (7th ed.) Citation

Giller, K. E. (2001). Nitrogen fixation in tropical cropping systems (2nd edition.). CABI. https://doi.org/10.1079/9780851994178.0000

Chicago Style (17th ed.) Citation

Giller, K. E. Nitrogen Fixation in Tropical Cropping Systems. 2nd edition. Wallingford, Oxfordshire, UK: CABI, 2001. https://doi.org/10.1079/9780851994178.0000.

MLA (9th ed.) Citation

Giller, K. E. Nitrogen Fixation in Tropical Cropping Systems. 2nd edition. CABI, 2001. https://doi.org/10.1079/9780851994178.0000.