APA Format
World Health Organization (WHO) . (). Control of vitamin A deficiency and xerophthalmia, TRS.672. : Geneva WHO 1982
MLA Format
World Health Organization (WHO) . Control of vitamin A deficiency and xerophthalmia, TRS.672. : Geneva WHO 1982,
Australian/Harvard Format
World Health Organization (WHO) . . Control of vitamin A deficiency and xerophthalmia, TRS.672. Geneva WHO 1982, 
Warning: These citations may not always be 100% accurate.