APA-referens (7:e uppl.)

Y, X., Y, L., L, F., R, H., X, M., Y, D., . . . E, C. (2023). Predictors of COVID-19 Severity in Elderly Patients Infected by Omicron in China, 18 December 2022–5 February 2023. Infection and Drug Resistance, ume 16, 4505-4518.

Chicago-referens (17:e uppl.)

Y, Xing, et al. "Predictors of COVID-19 Severity in Elderly Patients Infected by Omicron in China, 18 December 2022–5 February 2023." Infection and Drug Resistance ume 16 (2023): 4505-4518.

MLA-referens (9:e uppl.)

Y, Xing, et al. "Predictors of COVID-19 Severity in Elderly Patients Infected by Omicron in China, 18 December 2022–5 February 2023." Infection and Drug Resistance, vol. ume 16, 2023, pp. 4505-4518.