Παραπομπή σε μορφή APA (7η εκδ.)

Ward, I., Bermingham, C., Ayoubkhani, D., Gethings, O., Pouwels, K., Yates, T., . . . Nafilyan, V. (2022). Risk of COVID-19 related deaths for SARS-CoV-2 Omicron (B.1.1.529) compared with Delta (B.1.617.2). BMJ Publishing Group.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ward, IL, et al. Risk of COVID-19 Related Deaths for SARS-CoV-2 Omicron (B.1.1.529) Compared with Delta (B.1.617.2). BMJ Publishing Group, 2022.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ward, IL, et al. Risk of COVID-19 Related Deaths for SARS-CoV-2 Omicron (B.1.1.529) Compared with Delta (B.1.617.2). BMJ Publishing Group, 2022.