Cita APA (7a ed.)

Eippert, F., Finsterbusch, J., Bingel, U., & Büchel, C. (2009). Direct evidence for spinal cord involvement in placebo analgesia.

Cita Chicago Style (17a ed.)

Eippert, F., J. Finsterbusch, U. Bingel, y C. Büchel. Direct Evidence for Spinal Cord Involvement in Placebo Analgesia. 2009.

Cita MLA (9a ed.)

Eippert, F., et al. Direct Evidence for Spinal Cord Involvement in Placebo Analgesia. 2009.