ScienceDirect (Online service), Hidalgo, J., Rodríguez-Vega, G., & Pérez-Fernández, J., MD. (2022). COVID-19 pandemic: Lessons from the frontline. Elsevier.
Chicago Style (17th ed.) CitationScienceDirect (Online service), Jorge Hidalgo, Gloria Rodríguez-Vega, and Javier Pérez-Fernández, MD. COVID-19 Pandemic: Lessons from the Frontline. Amsterdam, Netherlands: Elsevier, 2022.
MLA (9th ed.) CitationScienceDirect (Online service), et al. COVID-19 Pandemic: Lessons from the Frontline. Elsevier, 2022.
Warning: These citations may not always be 100% accurate.