APA Format
World Health Organization (WHO) . (). Evaluation of certain food additives, TRS.669. : Geneva WHO 1981
MLA Format
World Health Organization (WHO) . Evaluation of certain food additives, TRS.669. : Geneva WHO 1981,
Australian/Harvard Format
World Health Organization (WHO) . . Evaluation of certain food additives, TRS.669. Geneva WHO 1981, 
Warning: These citations may not always be 100% accurate.