APA
Bruffaerts R., Demyttenaere K., Kessler R. C., Tachimori H., Bunting B., Hu C., Florescu S., Haro J. M., Lim C. C. W., Kovess-Masfety V., Levinson D., Medina Mora M. E., Piazza M., Piotrowski P., Posada-Villa J., Salih Khalaf M., ten Have M., Xavier M. & Scott K. M. (20150810). The associations between preexisting mental disorders and subsequent onset of chronic headaches: a worldwide epidemiologic perspective. : The journal of pain.
Chicago
Bruffaerts Ronny, Demyttenaere Koen, Kessler Ronald C, Tachimori Hisateru, Bunting Brendan, Hu Chiyi, Florescu Silvia, Haro Josep Maria, Lim Carmen C W, Kovess-Masfety Viviane, Levinson Daphna, Medina Mora Maria Elena, Piazza Marina, Piotrowski Patryk, Posada-Villa Jose, Salih Khalaf Mohammad, ten Have Margreet, Xavier Miguel and Scott Kate M. 20150810. The associations between preexisting mental disorders and subsequent onset of chronic headaches: a worldwide epidemiologic perspective. : The journal of pain.
Harvard
Bruffaerts R., Demyttenaere K., Kessler R. C., Tachimori H., Bunting B., Hu C., Florescu S., Haro J. M., Lim C. C. W., Kovess-Masfety V., Levinson D., Medina Mora M. E., Piazza M., Piotrowski P., Posada-Villa J., Salih Khalaf M., ten Have M., Xavier M. and Scott K. M. (20150810). The associations between preexisting mental disorders and subsequent onset of chronic headaches: a worldwide epidemiologic perspective. : The journal of pain.
MLA
Bruffaerts Ronny, Demyttenaere Koen, Kessler Ronald C, Tachimori Hisateru, Bunting Brendan, Hu Chiyi, Florescu Silvia, Haro Josep Maria, Lim Carmen C W, Kovess-Masfety Viviane, Levinson Daphna, Medina Mora Maria Elena, Piazza Marina, Piotrowski Patryk, Posada-Villa Jose, Salih Khalaf Mohammad, ten Have Margreet, Xavier Miguel and Scott Kate M. The associations between preexisting mental disorders and subsequent onset of chronic headaches: a worldwide epidemiologic perspective. : The journal of pain. 20150810.