APA (7th ed.) Citation
British Association for the Study of Headache, ebrary, Inc, Goadsby, P. J., & Kernick, D. (2009). Headache: A practical manual. Oxford University Press.
Chicago Style (17th ed.) Citation
British Association for the Study of Headache, Inc ebrary, Peter J. Goadsby, and David Kernick. Headache: A Practical Manual. Oxford ; New York: Oxford University Press, 2009.
MLA (9th ed.) Citation
British Association for the Study of Headache, et al. Headache: A Practical Manual. Oxford University Press, 2009.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.