APA (7th ed.) Citation

Treede, R. (2015). A classification of chronic pain for ICD-11. Pain, 156(6), . https://doi.org/10.1097/j.pain.0000000000000160

Chicago Style (17th ed.) Citation

Treede, Rolf-Detlef. "A Classification of Chronic Pain for ICD-11." Pain 156, no. 6 (2015). https://doi.org/10.1097/j.pain.0000000000000160.

MLA (9th ed.) Citation

Treede, Rolf-Detlef. "A Classification of Chronic Pain for ICD-11." Pain, vol. 156, no. 6, 2015, https://doi.org/10.1097/j.pain.0000000000000160.