APA (7th ed.) Citation

HW, S., FM, A., RH, J., L, C., S, M., N, L., . . . L, B. (2021). Reference programme: Diagnosis and treatment of headache disorders and facial pain. Danish Headache Society, 3rd edition, 2020. The journal of headache and pain, 22(1), 22. https://doi.org/10.1186/s10194-021-01228-4

Chicago Style (17th ed.) Citation

HW, Schytz, et al. "Reference Programme: Diagnosis and Treatment of Headache Disorders and Facial Pain. Danish Headache Society, 3rd Edition, 2020." The Journal of Headache and Pain 22, no. 1 (2021): 22. https://doi.org/10.1186/s10194-021-01228-4.

MLA (9th ed.) Citation

HW, Schytz, et al. "Reference Programme: Diagnosis and Treatment of Headache Disorders and Facial Pain. Danish Headache Society, 3rd Edition, 2020." The Journal of Headache and Pain, vol. 22, no. 1, 2021, p. 22, https://doi.org/10.1186/s10194-021-01228-4.