APA Format
World Health Organization (WHO) . (). Evaluation of certain food additives and contaminants, TRS.776. : Geneva WHO 1989
MLA Format
World Health Organization (WHO) . Evaluation of certain food additives and contaminants, TRS.776. : Geneva WHO 1989,
Australian/Harvard Format
World Health Organization (WHO) . . Evaluation of certain food additives and contaminants, TRS.776. Geneva WHO 1989, 
Warning: These citations may not always be 100% accurate.