Παραπομπή APA

Shiffman, S., & Gitchell, J. G. (2018). RE: Effectiveness of Pharmaceutical Smoking Cessation Aids in a Nationally Representative Cohort of American Smokers. J Natl Cancer Inst.

Παραπομπή Chicago Style

Shiffman, Saul, και Joe G. Gitchell. "RE: Effectiveness of Pharmaceutical Smoking Cessation Aids in a Nationally Representative Cohort of American Smokers." J Natl Cancer Inst 2018.

Παραπομπή MLA

Shiffman, Saul, και Joe G. Gitchell. "RE: Effectiveness of Pharmaceutical Smoking Cessation Aids in a Nationally Representative Cohort of American Smokers." J Natl Cancer Inst 2018.

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