Παραπομπή σε μορφή APA (7η εκδ.)

Burn, E., Tebé, C., Fernandez-Bertolin, S., Aragon, M., Recalde, M., Roel, E., . . . Duarte-Salles, T. (2021). The natural history of symptomatic COVID-19 during the first wave in Catalonia. Springer Nature.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Burn, E., C. Tebé, S. Fernandez-Bertolin, M. Aragon, M. Recalde, E. Roel, A. Prats-Uribe, D. Prieto Alhambra, και T. Duarte-Salles. The Natural History of Symptomatic COVID-19 During the First Wave in Catalonia. Springer Nature, 2021.

Παραπομπή σε μορφή MLA (9th εκδ.)

Burn, E., et al. The Natural History of Symptomatic COVID-19 During the First Wave in Catalonia. Springer Nature, 2021.