Geoffrey T Fong, David Hammond, & Sara C Hitchman. The impact of pictures on the effectiveness of tobacco warnings. The World Health Organization.
Chicago Style (17th ed.) CitationGeoffrey T Fong, David Hammond, and Sara C Hitchman. The Impact of Pictures on the Effectiveness of Tobacco Warnings. The World Health Organization.
MLA (9th ed.) CitationGeoffrey T Fong, et al. The Impact of Pictures on the Effectiveness of Tobacco Warnings. The World Health Organization.
Warning: These citations may not always be 100% accurate.