APA Format
World Health Organization (WHO) . (). Programing for adolescent health and development: report of a WHO/UNFPA/UNICEF study group on programming for adolescent health. : Geneva WHO 1999
MLA Format
World Health Organization (WHO) . Programing for adolescent health and development: report of a WHO/UNFPA/UNICEF study group on programming for adolescent health. : Geneva WHO 1999,
Australian/Harvard Format
World Health Organization (WHO) . . Programing for adolescent health and development: report of a WHO/UNFPA/UNICEF study group on programming for adolescent health. Geneva WHO 1999, 
Warning: These citations may not always be 100% accurate.