APA Format
World Health Organization (WHO) . (). Training and preparation of teachers for schools of medicine and of allied health sciences, TRS.521. : Geneva WHO 1973
MLA Format
World Health Organization (WHO) . Training and preparation of teachers for schools of medicine and of allied health sciences, TRS.521. : Geneva WHO 1973,
Australian/Harvard Format
World Health Organization (WHO) . . Training and preparation of teachers for schools of medicine and of allied health sciences, TRS.521. Geneva WHO 1973, 
Warning: These citations may not always be 100% accurate.