APA Format
World Health Organization (WHO) . (). The uses of epidemiology in the study of the elderly, TRS.706. : Geneva WHO 1984
MLA Format
World Health Organization (WHO) . The uses of epidemiology in the study of the elderly, TRS.706. : Geneva WHO 1984,
Australian/Harvard Format
World Health Organization (WHO) . . The uses of epidemiology in the study of the elderly, TRS.706. Geneva WHO 1984, 
Warning: These citations may not always be 100% accurate.