Cita APA (7th ed.)
ebrary, Inc, Robbins, M. S., Grosberg, B. M., & Lipton, R. B. (2013). Headache. Wiley-Blackwell.
Cita Chicago (17th ed.)
ebrary, Inc, Matthew S. Robbins, Brian M. Grosberg, i Richard B. Lipton. Headache. Chichester, England: Wiley-Blackwell, 2013.
Cita MLA (9th ed.)
ebrary, Inc, et al. Headache. Wiley-Blackwell, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.