APA Format
World Health Organization (WHO) . (). Health Aspects of family planning: report of a WHO Scientific group/WHO. : Geneva WHO 1970
MLA Format
World Health Organization (WHO) . Health Aspects of family planning: report of a WHO Scientific group/WHO. : Geneva WHO 1970,
Australian/Harvard Format
World Health Organization (WHO) . . Health Aspects of family planning: report of a WHO Scientific group/WHO. Geneva WHO 1970, 
Warning: These citations may not always be 100% accurate.