Cita APA (7a ed.)

Severi, G., Aune, D., Laouali, N., Mahamat-Saleh, Y., Peiffer-Smadja, N., Fiolet, T., . . . Fatouhi, D. E. (2021). Diabetes, hypertension, body mass index, smoking and COVID-19-related mortality: A systematic review and meta-analysis of observational studies. BMJ Publishing Group.

Cita Chicago Style (17a ed.)

Severi, Gianluca, et al. Diabetes, Hypertension, Body Mass Index, Smoking and COVID-19-related Mortality: A Systematic Review and Meta-analysis of Observational Studies. BMJ Publishing Group, 2021.

Cita MLA (8a ed.)

Severi, Gianluca, et al. Diabetes, Hypertension, Body Mass Index, Smoking and COVID-19-related Mortality: A Systematic Review and Meta-analysis of Observational Studies. BMJ Publishing Group, 2021.