توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Beard, E., Aveyard, P., Brown, J., & West, R. (2012). Assessing the association between the use of NRT for smoking reduction and attempts to quit smoking using propensity score matching. Elsevier.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Beard, E., P. Aveyard, J. Brown, و R. West. Assessing the Association Between the Use of NRT for Smoking Reduction and Attempts to Quit Smoking Using Propensity Score Matching. Elsevier, 2012.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Beard, E., et al. Assessing the Association Between the Use of NRT for Smoking Reduction and Attempts to Quit Smoking Using Propensity Score Matching. Elsevier, 2012.