Citação norma APA

Vrotsou, K., Rotaeche, R., Mateo-Abad, M., Machón, M., & Vergara, I. (2021). Variables associated with COVID-19 severity: An observational study of non-paediatric confirmed cases from the general population of the Basque Country, Spain. BMJ Open.

Citação norma Chicago

Vrotsou, Kalliopi, Rafael Rotaeche, Maider Mateo-Abad, Mónica Machón, and Itziar Vergara. "Variables Associated With COVID-19 Severity: An Observational Study of Non-paediatric Confirmed Cases From the General Population of the Basque Country, Spain." BMJ Open 2021.

Citação norma MLA

Vrotsou, Kalliopi, et al. "Variables Associated With COVID-19 Severity: An Observational Study of Non-paediatric Confirmed Cases From the General Population of the Basque Country, Spain." BMJ Open 2021.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.