Saffer, H., Wakefield, M., & Terry-McElrath, Y. (2007). The effect of nicotine replacement therapy advertising on youth smoking. National Bureau of Economic Research.
Chicago Style (17th ed.) CitationSaffer, Henry, Melanie Wakefield, and Yvonne Terry-McElrath. The Effect of Nicotine Replacement Therapy Advertising on Youth Smoking. Cambridge, Mass: National Bureau of Economic Research, 2007.
MLA (9th ed.) CitationSaffer, Henry, et al. The Effect of Nicotine Replacement Therapy Advertising on Youth Smoking. National Bureau of Economic Research, 2007.
Warning: These citations may not always be 100% accurate.