Cita APA (7a ed.)
Lindahl, J. F., Olsen, B., & Lundkvist, Å. (2020). COVID-19—a very visible pandemic. Elsevier.
Cita Chicago Style (17a ed.)
Lindahl, Johanna F., B. Olsen, y Å Lundkvist. COVID-19—a Very Visible Pandemic. Elsevier, 2020.
Cita MLA (9a ed.)
Lindahl, Johanna F., et al. COVID-19—a Very Visible Pandemic. Elsevier, 2020.
Precaución: Estas citas no son 100% exactas.