APA Format
World Health Organization (WHO) . (). Methods of fertility regulations: advance in research and clinical experience, report of a WHO Scientific grow up. : Geneva WHO 1973
MLA Format
World Health Organization (WHO) . Methods of fertility regulations: advance in research and clinical experience, report of a WHO Scientific grow up. : Geneva WHO 1973,
Australian/Harvard Format
World Health Organization (WHO) . . Methods of fertility regulations: advance in research and clinical experience, report of a WHO Scientific grow up. Geneva WHO 1973, 
Warning: These citations may not always be 100% accurate.