APA Format
World Health Organization (WHO) . (). The prevention of perinatal mortality and morbidity, TRS.457. : Geneva WHO 1970
MLA Format
World Health Organization (WHO) . The prevention of perinatal mortality and morbidity, TRS.457. : Geneva WHO 1970,
Australian/Harvard Format
World Health Organization (WHO) . . The prevention of perinatal mortality and morbidity, TRS.457. Geneva WHO 1970, 
Warning: These citations may not always be 100% accurate.