APA (7th ed.) Citation

Andrews, N., Ramsay, M., Zambon, M., Hall, V., Wallace, S., Hopkins, S., . . . Islam, J. Impact of prior SARS-CoV-2 infection and COVID-19 vaccination on the subsequent incidence of COVID-19: A multicentre prospective cohort study among UK healthcare workers – the SIREN (Sarscov2 Immunity & REinfection EvaluatioN) study protocol. BMJ Publishing Group.

Chicago Style (17th ed.) Citation

Andrews, Nick, et al. Impact of Prior SARS-CoV-2 Infection and COVID-19 Vaccination on the Subsequent Incidence of COVID-19: A Multicentre Prospective Cohort Study Among UK Healthcare Workers – the SIREN (Sarscov2 Immunity & REinfection EvaluatioN) Study Protocol. BMJ Publishing Group.

MLA (9th ed.) Citation

Andrews, Nick, et al. Impact of Prior SARS-CoV-2 Infection and COVID-19 Vaccination on the Subsequent Incidence of COVID-19: A Multicentre Prospective Cohort Study Among UK Healthcare Workers – the SIREN (Sarscov2 Immunity & REinfection EvaluatioN) Study Protocol. BMJ Publishing Group.