APA (7th ed.) Citation

M, A., Z, K., G, N., & Consortium, C. (2009). Authors' reply. Journal of Headache & Pain, 10(6), 479. https://doi.org/10.1007/s10194-009-0166-7

Chicago Style (17th ed.) Citation

M, Allena, Katsarava Z, Nappi G, and COMOESTAS Consortium. "Authors' Reply." Journal of Headache & Pain 10, no. 6 (2009): 479. https://doi.org/10.1007/s10194-009-0166-7.

MLA (9th ed.) Citation

M, Allena, et al. "Authors' Reply." Journal of Headache & Pain, vol. 10, no. 6, 2009, p. 479, https://doi.org/10.1007/s10194-009-0166-7.