APA (7th ed.) Citation

ebrary, Inc, Dodick, D., Sándor, P. S., & Schoenen, J. (2011). Comorbidity in migraine. Wiley-Blackwell.

Chicago Style (17th ed.) Citation

ebrary, Inc, David Dodick, Peter S. Sándor, and Jean Schoenen. Comorbidity in Migraine. Chichester, West Sussex, UK: Wiley-Blackwell, 2011.

MLA (9th ed.) Citation

ebrary, Inc, et al. Comorbidity in Migraine. Wiley-Blackwell, 2011.