Cita APA (7a ed.)
Giller, K. E. (2001). Nitrogen fixation in tropical cropping systems (2nd ed.). CABI Pub..
Cita Chicago Style (17a ed.)
Giller, K. E. Nitrogen Fixation in Tropical Cropping Systems. 2nd ed. Wallingford, Oxon, UK ; New York, NY, USA: CABI Pub., 2001.
Cita MLA (9a ed.)
Giller, K. E. Nitrogen Fixation in Tropical Cropping Systems. 2nd ed. CABI Pub., 2001.
Precaución: Estas citas no son 100% exactas.