APA Edition Citation

Giller, K. E., & Wilson, K. I. (1991). Nitrogen fixation in tropical cropping systems. CAB International.

Chicago Edition Citation

Giller, Ken E., and Kate I. Wilson. Nitrogen Fixation in Tropical Cropping Systems. New Delhi: CAB International, 1991.

MLA Edition Citation

Giller, Ken E., and Kate I. Wilson. Nitrogen Fixation in Tropical Cropping Systems. CAB International, 1991.

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