Tsigaris, P., & Teixeira da Silva, J. A. (2020). Smoking Prevalence and COVID-19 in Europe. Nicotine Tob Res.
Čikaški stil citiranjaTsigaris, Panagiotis, i Jaime A. Teixeira da Silva. "Smoking Prevalence and COVID-19 in Europe." Nicotine Tob Res 2020.
MLA način citiranjaTsigaris, Panagiotis, i Jaime A. Teixeira da Silva. "Smoking Prevalence and COVID-19 in Europe." Nicotine Tob Res 2020.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.