APA (7th ed.) Citation

Hagen, K., Åsberg, A. N., Uhlig, B. L., Tronvik, E., Brenner, E., Stjern, M., . . . Sand, T. (2018). The epidemiology of headache disorders: A face-to-face interview of participants in HUNT4. BMC.

Chicago Style (17th ed.) Citation

Hagen, Knut, Anders Nikolai Åsberg, Benjamin L. Uhlig, Erling Tronvik, Eiliv Brenner, Marit Stjern, Grethe Helde, Gøril Bruvik Gravdahl, and Trond Sand. The Epidemiology of Headache Disorders: A Face-to-face Interview of Participants in HUNT4. BMC, 2018.

MLA (8th ed.) Citation

Hagen, Knut, et al. The Epidemiology of Headache Disorders: A Face-to-face Interview of Participants in HUNT4. BMC, 2018.