Cita APA (7th ed.)
ebrary, Inc, MacGregor, A., & Frith, A. (2009). ABC of headache. Wiley-Blackwell Pub..
Cita Chicago (17th ed.)
ebrary, Inc, Anne MacGregor, i Alison Frith. ABC of Headache. Oxford ; Hoboken, NJ: Wiley-Blackwell Pub., 2009.
Cita MLA (9th ed.)
ebrary, Inc, et al. ABC of Headache. Wiley-Blackwell Pub., 2009.
Atenció: Aquestes cites poden no estar 100% correctes.