Cite
Perceived risk of harm from cigarettes or smokeless tobacco among U.S. high school seniors.
MLA
Tomar, Scott L., and Dorothy K. Hatsukami. “Perceived Risk of Harm from Cigarettes or Smokeless Tobacco among U.S. High School Seniors.” Nicotine & Tobacco Research : Official Journal of the Society for Research on Nicotine and Tobacco, vol. 9, no. 11, Nov. 2007, pp. 1191–96. EBSCOhost, https://doi.org/10.1080/14622200701648417.
APA
Tomar, S. L., & Hatsukami, D. K. (2007). Perceived risk of harm from cigarettes or smokeless tobacco among U.S. high school seniors. Nicotine & Tobacco Research : Official Journal of the Society for Research on Nicotine and Tobacco, 9(11), 1191–1196. https://doi.org/10.1080/14622200701648417
Chicago
Tomar, Scott L, and Dorothy K Hatsukami. 2007. “Perceived Risk of Harm from Cigarettes or Smokeless Tobacco among U.S. High School Seniors.” Nicotine & Tobacco Research : Official Journal of the Society for Research on Nicotine and Tobacco 9 (11): 1191–96. doi:10.1080/14622200701648417.