APA (7th ed.) Citation

ML, W., EH, H., C, G., J, O., & RH, J. (2014). Definitions of medication-overuse headache in population-based studies and their implications on prevalence estimates: A systematic review. Cephalalgia : an international journal of headache, 34(6), 409. https://doi.org/10.1177/0333102413512033

Chicago Style (17th ed.) Citation

ML, Westergaard, Hansen EH, Glümer C, Olesen J, and Jensen RH. "Definitions of Medication-overuse Headache in Population-based Studies and Their Implications on Prevalence Estimates: A Systematic Review." Cephalalgia : An International Journal of Headache 34, no. 6 (2014): 409. https://doi.org/10.1177/0333102413512033.

MLA (9th ed.) Citation

ML, Westergaard, et al. "Definitions of Medication-overuse Headache in Population-based Studies and Their Implications on Prevalence Estimates: A Systematic Review." Cephalalgia : An International Journal of Headache, vol. 34, no. 6, 2014, p. 409, https://doi.org/10.1177/0333102413512033.