Style de citation APA (7e éd.)

Giller, K. E. (1993). Nitrogen fixation in tropical cropping: Systems. C.A.B,I.

Style de citation Chicago (17e éd.)

Giller, Ken E. Nitrogen Fixation in Tropical Cropping: Systems. Wallingford: C.A.B,I, 1993.

Style de citation MLA (9e éd.)

Giller, Ken E. Nitrogen Fixation in Tropical Cropping: Systems. C.A.B,I, 1993.