APA Format
WHO . (). The rational use of drugs in the management of acute diarrhoea in children. : Geneva: WHO, 1990
MLA Format
WHO . The rational use of drugs in the management of acute diarrhoea in children. : Geneva: WHO, 1990,
Australian/Harvard Format
WHO . . The rational use of drugs in the management of acute diarrhoea in children. Geneva: WHO, 1990, 
Warning: These citations may not always be 100% accurate.