Cita APA (7a ed.)
ebrary, Inc, Dodick, D., Sándor, P. S., & Schoenen, J. (2011). Comorbidity in migraine. Wiley-Blackwell.
Cita Chicago Style (17a ed.)
ebrary, Inc, David Dodick, Peter S. Sándor, y Jean Schoenen. Comorbidity in Migraine. Chichester, West Sussex, UK: Wiley-Blackwell, 2011.
Cita MLA (9a ed.)
ebrary, Inc, et al. Comorbidity in Migraine. Wiley-Blackwell, 2011.
Precaución: Estas citas no son 100% exactas.