Citazione Stile APA (7a Edizione)
World Health Organization, UNICEF, & ebrary, Inc. (2010). Progress on sanitation and drinking water: 2010 update. World Health Organization.
Citazione stile Chigago Style (17a edizione)
World Health Organization, UNICEF, e Inc ebrary. Progress on Sanitation and Drinking Water: 2010 Update. Geneva: World Health Organization, 2010.
Citatione MLA (9a ed.)
World Health Organization, et al. Progress on Sanitation and Drinking Water: 2010 Update. World Health Organization, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.