Citazione Stile APA (7a Edizione)
World Health Organization, Tobacco Free Initiative (World Health Organization), & ebrary, Inc. (2007). Protection from exposure to second-hand tobacco smoke: Policy recommendations. World Health Organization.
Citazione stile Chigago Style (17a edizione)
World Health Organization, Tobacco Free Initiative (World Health Organization), e Inc ebrary. Protection from Exposure to Second-hand Tobacco Smoke: Policy Recommendations. Geneva, Switzerland: World Health Organization, 2007.
Citatione MLA (9a ed.)
World Health Organization, et al. Protection from Exposure to Second-hand Tobacco Smoke: Policy Recommendations. World Health Organization, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.