APA
(1973). Potassium in tropical crops and soils: proceedings of the 10th colloquium of the international potash institute held in december 1973 in Abidjan/republic of Ivory Coast. Switzerland: International potash institute.
Chicago
1973. Potassium in tropical crops and soils: proceedings of the 10th colloquium of the international potash institute held in december 1973 in Abidjan/republic of Ivory Coast. Switzerland: International potash institute.
Harvard
(1973). Potassium in tropical crops and soils: proceedings of the 10th colloquium of the international potash institute held in december 1973 in Abidjan/republic of Ivory Coast. Switzerland: International potash institute.
MLA
Potassium in tropical crops and soils: proceedings of the 10th colloquium of the international potash institute held in december 1973 in Abidjan/republic of Ivory Coast. Switzerland: International potash institute. 1973.