APA Format
World Health Organization (WHO) . (). Prevention of rheumatic fever, TRS.342. : Geneva WHO 1966
MLA Format
World Health Organization (WHO) . Prevention of rheumatic fever, TRS.342. : Geneva WHO 1966,
Australian/Harvard Format
World Health Organization (WHO) . . Prevention of rheumatic fever, TRS.342. Geneva WHO 1966, 
Warning: These citations may not always be 100% accurate.