Cita APA (7a ed.)

Torres-Flores, J., & Fierro, N. A. (2021). Are previous viral infections important on the COVID-19 outcomes? Elsevier.

Cita Chicago Style (17a ed.)

Torres-Flores, Jesus, y Nora A. Fierro. Are Previous Viral Infections Important on the COVID-19 Outcomes? Elsevier, 2021.

Cita MLA (8a ed.)

Torres-Flores, Jesus, y Nora A. Fierro. Are Previous Viral Infections Important on the COVID-19 Outcomes? Elsevier, 2021.