Παραπομπή σε μορφή APA (7η εκδ.)

Piper, R., Afshari, F., Soon, W., Kolias, A., Dyson, E., Watkins, L., . . . Tahir, Z. (2026). UK Chiari 1 Study: Protocol for a prospective, observational, multicentre study. https://doi.org/10.1136/bmjopen-2020-043712

Παραπομπή σε μορφή Chicago (17η εκδ.)

Piper, RJ, et al. UK Chiari 1 Study: Protocol for a Prospective, Observational, Multicentre Study. 2026. https://doi.org/10.1136/bmjopen-2020-043712.

Παραπομπή σε μορφή MLA (9th εκδ.)

Piper, RJ, et al. UK Chiari 1 Study: Protocol for a Prospective, Observational, Multicentre Study. 2026. https://doi.org/10.1136/bmjopen-2020-043712.