Cita APA

Merkey, H., & Bogduk, N. (1994). Classification of chronic pain: Descriptions of chronic pain syndromes and definitions of pain terms (2. edition.). Seattle: IASP.

Citación estilo Chicago

Merkey, Harold, y Nikolai Bogduk. Classification of Chronic Pain: Descriptions of Chronic Pain Syndromes and Definitions of Pain Terms. 2. edition. Seattle: IASP, 1994.

Cita MLA

Merkey, Harold, y Nikolai Bogduk. Classification of Chronic Pain: Descriptions of Chronic Pain Syndromes and Definitions of Pain Terms. 2. edition. Seattle: IASP, 1994.