APA Style
Giller, Ken E., Wilson, Kate F.. (1991).
Nitrogen Fixation In Tropical Cropping Systems .
:
C.A.B. International.
Chicago Style
Giller, Ken E., Wilson, Kate F..
Nitrogen Fixation In Tropical Cropping Systems.
:
C.A.B. International,
1991.
Text.
MLA Style
Giller, Ken E., Wilson, Kate F..
Nitrogen Fixation In Tropical Cropping Systems.
:
C.A.B. International,
1991.
Text.
Turabian Style
Giller, Ken E., Wilson, Kate F..
Nitrogen Fixation In Tropical Cropping Systems.
:
C.A.B. International,
1991.
Print.