APA-viite

Filippidis, F. T., Laverty, A. A., Mons, U., Jimenez-Ruiz, C., & Vardavas, C. I. (2019). Changes in smoking cessation assistance in the European Union between 2012 and 2017: Pharmacotherapy versus counselling versus e-cigarettes. Tob Control.

Chicago-tyylinen lähdeviittaus

Filippidis, Filippos T., Anthony A. Laverty, Ute Mons, Carlos Jimenez-Ruiz, ja Constantine I. Vardavas. "Changes in Smoking Cessation Assistance in the European Union between 2012 and 2017: Pharmacotherapy Versus Counselling Versus E-cigarettes." Tob Control 2019.

MLA-viite

Filippidis, Filippos T., et al. "Changes in Smoking Cessation Assistance in the European Union between 2012 and 2017: Pharmacotherapy Versus Counselling Versus E-cigarettes." Tob Control 2019.

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