APA (7th ed.) Citation

G, Z., A, M., N, Z., NF, A., J, S., C, A., . . . E, M. (2021). Re: "Mortality Attributed to COVID-19 in High-Altitude Populations" by Woolcott and Bergman. High altitude medicine & biology, 22(1), 102. https://doi.org/10.1089/ham.2020.0195

Chicago Style (17th ed.) Citation

G, Zubieta-Calleja, et al. "Re: "Mortality Attributed to COVID-19 in High-Altitude Populations" by Woolcott and Bergman." High Altitude Medicine & Biology 22, no. 1 (2021): 102. https://doi.org/10.1089/ham.2020.0195.

MLA (9th ed.) Citation

G, Zubieta-Calleja, et al. "Re: "Mortality Attributed to COVID-19 in High-Altitude Populations" by Woolcott and Bergman." High Altitude Medicine & Biology, vol. 22, no. 1, 2021, p. 102, https://doi.org/10.1089/ham.2020.0195.