Cita APA (7a ed.)

MARCUS, D. A., & COPE, D. K. (2009). Chronic Pain. Clinical Publishing.

Cita Chicago Style (17a ed.)

MARCUS, Dawn A., y Doris K. COPE. Chronic Pain. Clinical Publishing, 2009.

Cita MLA (9a ed.)

MARCUS, Dawn A., y Doris K. COPE. Chronic Pain. Clinical Publishing, 2009.