APA

Sullivan W., Hirst M., Beard S., Gladwell D., Fagnani F., López Bastida J., Phillips C. & Dunlop W. C. N. (20170519). Economic evaluation in chronic pain: a systematic review and de novo flexible economic model. : The European journal of health economics : HEPAC : health economics in prevention and care.

Chicago

Sullivan W, Hirst M, Beard S, Gladwell D, Fagnani F, López Bastida J, Phillips C and Dunlop W C N. 20170519. Economic evaluation in chronic pain: a systematic review and de novo flexible economic model. : The European journal of health economics : HEPAC : health economics in prevention and care.

Harvard

Sullivan W., Hirst M., Beard S., Gladwell D., Fagnani F., López Bastida J., Phillips C. and Dunlop W. C. N. (20170519). Economic evaluation in chronic pain: a systematic review and de novo flexible economic model. : The European journal of health economics : HEPAC : health economics in prevention and care.

MLA

Sullivan W, Hirst M, Beard S, Gladwell D, Fagnani F, López Bastida J, Phillips C and Dunlop W C N. Economic evaluation in chronic pain: a systematic review and de novo flexible economic model. : The European journal of health economics : HEPAC : health economics in prevention and care. 20170519.