Franklin

MLA

Giller, K, and K.E Gilter. Nitrogen Fixation In Tropical Cropping Systems. 2nd ed. .

APA

Giller, K., & Gilter, K. Nitrogen Fixation in Tropical Cropping Systems. 2nd ed. .

Chicago

Giller, K., and K.E Gilter. Nitrogen Fixation In Tropical Cropping Systems. 2nd ed.