Cita APA (7th ed.)

Peters, M., Jenkinson, C., Perera, S., Loder, E., Jensen, R., Katsarava, Z., . . . Steiner, T. (2012). Quality in the provision of headache care. 2: Defining quality and its indicators.

Cita Chicago (17th ed.)

Peters, M., C. Jenkinson, S. Perera, E. Loder, R. Jensen, Z. Katsarava, R. Gil Gouveia, S. Broner, i T. Steiner. Quality in the Provision of Headache Care. 2: Defining Quality and Its Indicators. 2012.

Cita MLA (9th ed.)

Peters, M., et al. Quality in the Provision of Headache Care. 2: Defining Quality and Its Indicators. 2012.