APA Format
World Health Organization (WHO) . (). Continuing education for physicians: report of a WHO expert committee/WHO. : Geneva: WHO, 1973
MLA Format
World Health Organization (WHO) . Continuing education for physicians: report of a WHO expert committee/WHO. : Geneva: WHO, 1973,
Australian/Harvard Format
World Health Organization (WHO) . . Continuing education for physicians: report of a WHO expert committee/WHO. Geneva: WHO, 1973, 
Warning: These citations may not always be 100% accurate.