APA Format
World Health Organization (WHO) . (). The affect of female sex hormones on fetal development and infant health, TRS.657. : Geneva WHO 1981
MLA Format
World Health Organization (WHO) . The affect of female sex hormones on fetal development and infant health, TRS.657. : Geneva WHO 1981,
Australian/Harvard Format
World Health Organization (WHO) . . The affect of female sex hormones on fetal development and infant health, TRS.657. Geneva WHO 1981, 
Warning: These citations may not always be 100% accurate.