APA Format
World Health Organization (WHO) . (). Genetic factors in congenital malformations, TRS.438. : Geneva WHO 1970
MLA Format
World Health Organization (WHO) . Genetic factors in congenital malformations, TRS.438. : Geneva WHO 1970,
Australian/Harvard Format
World Health Organization (WHO) . . Genetic factors in congenital malformations, TRS.438. Geneva WHO 1970, 
Warning: These citations may not always be 100% accurate.