APA-viite (7. p.)

Prats Uribe, A., Xie, J., Prieto Alhambra, D., & Petersen, I. (2021). Smoking and COVID-19 infection and related mortality: A prospective cohort analysis of UK Biobank data. Dove Medical Press.

Chicago-viite (17. p.)

Prats Uribe, A., J. Xie, D. Prieto Alhambra, ja I. Petersen. Smoking and COVID-19 Infection and Related Mortality: A Prospective Cohort Analysis of UK Biobank Data. Dove Medical Press, 2021.

MLA-viite (9. p.)

Prats Uribe, A., et al. Smoking and COVID-19 Infection and Related Mortality: A Prospective Cohort Analysis of UK Biobank Data. Dove Medical Press, 2021.