APA (7th ed.) Citation

Schiffrin, E. L., Flack, J. M., Ito, S., Muntner, P., & Webb, R. C. (2020). Hypertension and COVID-19. American journal of hypertension, 33(5), 373. https://doi.org/10.1093/ajh/hpaa057

Chicago Style (17th ed.) Citation

Schiffrin, Ernesto L., John M. Flack, Sadayoshi Ito, Paul Muntner, and R Clinton Webb. "Hypertension and COVID-19." American Journal of Hypertension 33, no. 5 (2020): 373. https://doi.org/10.1093/ajh/hpaa057.

MLA (9th ed.) Citation

Schiffrin, Ernesto L., et al. "Hypertension and COVID-19." American Journal of Hypertension, vol. 33, no. 5, 2020, p. 373, https://doi.org/10.1093/ajh/hpaa057.