APA Format
World Health Organization (WHO) . (). The role of the health sector in food and nutrition, TRS.667. : Geneva WHO 1981
MLA Format
World Health Organization (WHO) . The role of the health sector in food and nutrition, TRS.667. : Geneva WHO 1981,
Australian/Harvard Format
World Health Organization (WHO) . . The role of the health sector in food and nutrition, TRS.667. Geneva WHO 1981, 
Warning: These citations may not always be 100% accurate.