APA (7th ed.) Citation

CM, C., EL, F., M, J., RCL, B., MB, D., M, J., . . . JJ, C. (2020). Cloth Masks May Prevent Transmission of COVID-19: An Evidence-Based, Risk-Based Approach. Annals of internal medicine, 173(6), 489. https://doi.org/10.7326/M20-2567

Chicago Style (17th ed.) Citation

CM, Clase, et al. "Cloth Masks May Prevent Transmission of COVID-19: An Evidence-Based, Risk-Based Approach." Annals of Internal Medicine 173, no. 6 (2020): 489. https://doi.org/10.7326/M20-2567.

MLA (9th ed.) Citation

CM, Clase, et al. "Cloth Masks May Prevent Transmission of COVID-19: An Evidence-Based, Risk-Based Approach." Annals of Internal Medicine, vol. 173, no. 6, 2020, p. 489, https://doi.org/10.7326/M20-2567.