APA Edition Citation

Giller, K. E. (2001). Nitrogen fixation in tropical cropping systems (2nd edition.). CAB International.

Chicago Edition Citation

Giller, K. E. Nitrogen Fixation in Tropical Cropping Systems. 2nd edition. UK: CAB International, 2001.

MLA Edition Citation

Giller, K. E. Nitrogen Fixation in Tropical Cropping Systems. 2nd edition. CAB International, 2001.

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