APA (7th ed.) Citation

Nordström, P., Ballin, M., & Nordström, A. (2022). Risk of infection, hospitalisation, and death up to 9 months after a second dose of COVID-19 vaccine: A retrospective, total population cohort study in Sweden. The Lancet (British edition), 399(10327), 814-823. https://doi.org/10.1016/S0140-6736(22)00089-7

Chicago Style (17th ed.) Citation

Nordström, Peter, Marcel Ballin, and Anna Nordström. "Risk of Infection, Hospitalisation, and Death Up to 9 Months After a Second Dose of COVID-19 Vaccine: A Retrospective, Total Population Cohort Study in Sweden." The Lancet (British Edition) 399, no. 10327 (2022): 814-823. https://doi.org/10.1016/S0140-6736(22)00089-7.

MLA (9th ed.) Citation

Nordström, Peter, et al. "Risk of Infection, Hospitalisation, and Death Up to 9 Months After a Second Dose of COVID-19 Vaccine: A Retrospective, Total Population Cohort Study in Sweden." The Lancet (British Edition), vol. 399, no. 10327, 2022, pp. 814-823, https://doi.org/10.1016/S0140-6736(22)00089-7.