APA (7th ed.) Citation

Olesen, J., Silberstein, S. D., & Tfelt-Hansen, P. (2004). Preventive pharmacotherapy of headache disorders. Oxford University Press.

Chicago Style (17th ed.) Citation

Olesen, Jes, Stephen D. Silberstein, and Peer Tfelt-Hansen. Preventive Pharmacotherapy of Headache Disorders. Oxford ; New York: Oxford University Press, 2004.

MLA (9th ed.) Citation

Olesen, Jes, et al. Preventive Pharmacotherapy of Headache Disorders. Oxford University Press, 2004.