APA Format
World Health Organization (WHO) . (). Evaluation of certain veterinary drug residues in food, TRS 799. : Geneva WHO 1990
MLA Format
World Health Organization (WHO) . Evaluation of certain veterinary drug residues in food, TRS 799. : Geneva WHO 1990,
Australian/Harvard Format
World Health Organization (WHO) . . Evaluation of certain veterinary drug residues in food, TRS 799. Geneva WHO 1990, 
Warning: These citations may not always be 100% accurate.