APA Format
World Health Organization (WHO) . (). "Specification for the edentity and purity of food additives and their toxicological evaluation: some antimicrobials, antioxidants, emulsifiers, stabilizers, flour treatment aagents, acids, and bases;9th. report of the Joint FAO". : Geneva WHO 1966
MLA Format
World Health Organization (WHO) . "Specification for the edentity and purity of food additives and their toxicological evaluation: some antimicrobials, antioxidants, emulsifiers, stabilizers, flour treatment aagents, acids, and bases;9th. report of the Joint FAO". : Geneva WHO 1966,
Australian/Harvard Format
World Health Organization (WHO) . . "Specification for the edentity and purity of food additives and their toxicological evaluation: some antimicrobials, antioxidants, emulsifiers, stabilizers, flour treatment aagents, acids, and bases;9th. report of the Joint FAO". Geneva WHO 1966, 
Warning: These citations may not always be 100% accurate.