APA
Klein S. M., Giovino G. A., Barker D. C., Tworek C., Cummings K. M. & O'Connor R. J. (20081118). Use of flavored cigarettes among older adolescent and adult smokers: United States, 2004--2005. : Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco.
Chicago
Klein Sarah M, Giovino Gary A, Barker Dianne C, Tworek Cindy, Cummings K Michael and O'Connor Richard J. 20081118. Use of flavored cigarettes among older adolescent and adult smokers: United States, 2004--2005. : Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco.
Harvard
Klein S. M., Giovino G. A., Barker D. C., Tworek C., Cummings K. M. and O'Connor R. J. (20081118). Use of flavored cigarettes among older adolescent and adult smokers: United States, 2004--2005. : Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco.
MLA
Klein Sarah M, Giovino Gary A, Barker Dianne C, Tworek Cindy, Cummings K Michael and O'Connor Richard J. Use of flavored cigarettes among older adolescent and adult smokers: United States, 2004--2005. : Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco. 20081118.