The world's major fibre crops :
their cultivation and manuring.
APA Citation
Berger, J., Centre d'étude de l'azote. (1969). The world's major fibre crops: their cultivation and manuring. Zurich: Centre d'étude de l'azote.
MLA Citation
Berger, Josef, and Centre d'étude de l'azote. The World's Major Fibre Crops: Their Cultivation And Manuring. Zurich: Centre d'étude de l'azote, 1969.
Warning: These citations may not always be complete (especially for serials).