APA Format
World Health Organization (WHO) . (). Epidemiology and control of schistosomiasis. TRS.643. : Geneva WHO 1980
MLA Format
World Health Organization (WHO) . Epidemiology and control of schistosomiasis. TRS.643. : Geneva WHO 1980,
Australian/Harvard Format
World Health Organization (WHO) . . Epidemiology and control of schistosomiasis. TRS.643. Geneva WHO 1980, 
Warning: These citations may not always be 100% accurate.