Alpert, H. R., Connolly, G. N., & Koh, H. K. (2008). After the master settlement agreement: Targeting and exposure of youth to magazine tobacco advertising. Health affairs. Web exclusives, 27(S1), . doi:10.1377/hlthaff.27.6.w503
Chicago Style (17th ed.) CitationAlpert, Hillel R., Gregory N. Connolly, and Howard K. Koh. "After the Master Settlement Agreement: Targeting and Exposure of Youth to Magazine Tobacco Advertising." Health Affairs. Web Exclusives 27, no. S1 (2008). https://doi.org/10.1377/hlthaff.27.6.w503.
MLA (9th ed.) CitationAlpert, Hillel R., et al. "After the Master Settlement Agreement: Targeting and Exposure of Youth to Magazine Tobacco Advertising." Health Affairs. Web Exclusives, vol. 27, no. S1, 2008, https://doi.org/10.1377/hlthaff.27.6.w503.
Warning: These citations may not always be 100% accurate.