Παραπομπή σε μορφή APA (7η εκδ.)

Kläser, K., Molteni, E., Graham, M., Canas, L. S., Österdahl, M. F., Antonelli, M., . . . Duncan, E. L. (2022). COVID-19 due to the B.1.617.2 (Delta) variant compared to B.1.1.7 (Alpha) variant of SARS-CoV-2: A prospective observational cohort study.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kläser, K., et al. COVID-19 Due to the B.1.617.2 (Delta) Variant Compared to B.1.1.7 (Alpha) Variant of SARS-CoV-2: A Prospective Observational Cohort Study. 2022.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kläser, K., et al. COVID-19 Due to the B.1.617.2 (Delta) Variant Compared to B.1.1.7 (Alpha) Variant of SARS-CoV-2: A Prospective Observational Cohort Study. 2022.