APA Format
World Health Organization (WHO) . (). Evaluation of certain food additives and contaminants: forty ninth report the joint FAO/WHO expert committee on food additives. : Geneva WHO 1999
MLA Format
World Health Organization (WHO) . Evaluation of certain food additives and contaminants: forty ninth report the joint FAO/WHO expert committee on food additives. : Geneva WHO 1999,
Australian/Harvard Format
World Health Organization (WHO) . . Evaluation of certain food additives and contaminants: forty ninth report the joint FAO/WHO expert committee on food additives. Geneva WHO 1999, 
Warning: These citations may not always be 100% accurate.