APA Format
WHO . (). Implementing the new recommendations on the clinical management of diarrhoea: guidelines for policy makers and programme managers. : Geneva: WHO, 2006
MLA Format
WHO . Implementing the new recommendations on the clinical management of diarrhoea: guidelines for policy makers and programme managers. : Geneva: WHO, 2006,
Australian/Harvard Format
WHO . . Implementing the new recommendations on the clinical management of diarrhoea: guidelines for policy makers and programme managers. Geneva: WHO, 2006, 
Warning: These citations may not always be 100% accurate.