Kerr, D. C. R., Owen, L. D., & Capaldi, D. M. (2011). The timing of smoking onset, prolonged abstinence and relapse in men: A prospective study from ages 18 to 32 years. Addiction, 106(11), 2031. https://doi.org/10.1111/j.1360-0443.2011.03500.x
Chicago Style (17th ed.) CitationKerr, David C. R., Lee D. Owen, and Deborah M. Capaldi. "The Timing of Smoking Onset, Prolonged Abstinence and Relapse in Men: A Prospective Study from Ages 18 to 32 Years." Addiction 106, no. 11 (2011): 2031. https://doi.org/10.1111/j.1360-0443.2011.03500.x.
MLA (9th ed.) CitationKerr, David C. R., et al. "The Timing of Smoking Onset, Prolonged Abstinence and Relapse in Men: A Prospective Study from Ages 18 to 32 Years." Addiction, vol. 106, no. 11, 2011, p. 2031, https://doi.org/10.1111/j.1360-0443.2011.03500.x.