APA (7th ed.) Citation

Giller, K. E. (2011). Nitrogen fixation in tropical cropping systems (3. ed.). CABI Publ.

Chicago Style (17th ed.) Citation

Giller, Ken E. Nitrogen Fixation in Tropical Cropping Systems. 3. ed. Wallingford [u.a.]: CABI Publ, 2011.

MLA (9th ed.) Citation

Giller, Ken E. Nitrogen Fixation in Tropical Cropping Systems. 3. ed. CABI Publ, 2011.