Cita APA (7a ed.)
British Association for the Study of Headache, ebrary, Inc, Goadsby, P. J., & Kernick, D. (2009). Headache: A practical manual. Oxford University Press.
Cita Chicago Style (17a ed.)
British Association for the Study of Headache, Inc ebrary, Peter J. Goadsby, y David Kernick. Headache: A Practical Manual. Oxford ; New York: Oxford University Press, 2009.
Cita MLA (9a ed.)
British Association for the Study of Headache, et al. Headache: A Practical Manual. Oxford University Press, 2009.
Precaución: Estas citas no son 100% exactas.