APA Format
World Health Organization (WHO) . (). Expert committee on medical assessment of nutritional status, TRS.258. : Geneva WHO 1963
MLA Format
World Health Organization (WHO) . Expert committee on medical assessment of nutritional status, TRS.258. : Geneva WHO 1963,
Australian/Harvard Format
World Health Organization (WHO) . . Expert committee on medical assessment of nutritional status, TRS.258. Geneva WHO 1963, 
Warning: These citations may not always be 100% accurate.