Cita APA (7a ed.)
ebrary, Inc, Wolff, H. G., Silberstein, S. D., Lipton, R. B., & Dalessio, D. J. (2001). Wolff's headache and other head pain (7th ed.). Oxford University Press.
Cita Chicago Style (17a ed.)
ebrary, Inc, Harold G. Wolff, Stephen D. Silberstein, Richard B. Lipton, y Donald J. Dalessio. Wolff's Headache and Other Head Pain. 7th ed. New York: Oxford University Press, 2001.
Cita MLA (9a ed.)
ebrary, Inc, et al. Wolff's Headache and Other Head Pain. 7th ed. Oxford University Press, 2001.
Precaución: Estas citas no son 100% exactas.