Sillanpaa, M., & Jansson, H. (1992). Status of cadmium, lead, cobalt and selemium in soils and plants of thirty countries. FAO.
Chicago Style (17th ed.) CitationSillanpaa, Mikko, and Hakan Jansson. Status of Cadmium, Lead, Cobalt and Selemium in Soils and Plants of Thirty Countries. Rome: FAO, 1992.
MLA (9th ed.) CitationSillanpaa, Mikko, and Hakan Jansson. Status of Cadmium, Lead, Cobalt and Selemium in Soils and Plants of Thirty Countries. FAO, 1992.
Warning: These citations may not always be 100% accurate.