APA Format
World Health Organization (WHO) . (). Health problems of adolescence: report of a WHO expert committee/WHO. : Geneva WHO 1965
MLA Format
World Health Organization (WHO) . Health problems of adolescence: report of a WHO expert committee/WHO. : Geneva WHO 1965,
Australian/Harvard Format
World Health Organization (WHO) . . Health problems of adolescence: report of a WHO expert committee/WHO. Geneva WHO 1965, 
Warning: These citations may not always be 100% accurate.