Cita APA

Syvertsen, M., Helde, G., Stovner, L. J., & Brodtkorb, E. (2007). Headaches add to the burden of epilepsy. Springer Milan.

Chicago Style Citation

Syvertsen, Marte, Grethe Helde, Lars Jacob Stovner, i Eylert Brodtkorb. Headaches Add to the Burden of Epilepsy. Springer Milan, 2007.

Cita MLA

Syvertsen, Marte, Grethe Helde, Lars Jacob Stovner, i Eylert Brodtkorb. Headaches Add to the Burden of Epilepsy. Springer Milan, 2007.