APA Format
World Health Organization (WHO) . (). Chagas disease, TRS.202. : Geneva WHO 1960
MLA Format
World Health Organization (WHO) . Chagas disease, TRS.202. : Geneva WHO 1960,
Australian/Harvard Format
World Health Organization (WHO) . . Chagas disease, TRS.202. Geneva WHO 1960, 
Warning: These citations may not always be 100% accurate.