Cita APA

Ødegård, S. S., Engstrøm, M., Sand, T., Stovner, L. J., Zwart, J., & Hagen, K. (2010). Associations between sleep disturbance and primary headaches: The third Nord-Trøndelag Health Study. Springer Milan.

Citación estilo Chicago

Ødegård, Siv Steinsmo, Morten Engstrøm, Trond Sand, Lars Jacob Stovner, John-Anker Zwart, y Knut Hagen. Associations between Sleep Disturbance and Primary Headaches: The Third Nord-Trøndelag Health Study. Springer Milan, 2010.

Cita MLA

Ødegård, Siv Steinsmo, et al. Associations between Sleep Disturbance and Primary Headaches: The Third Nord-Trøndelag Health Study. Springer Milan, 2010.