Cita APA (7a ed.)
Bernstein, D. A., Borkovec, T. D., & Hazlett-Stevens, H. (2000). New directions in progressive relaxation training: A guidebook for helping professionals. Praeger.
Cita Chicago Style (17a ed.)
Bernstein, Douglas A., Thomas D. Borkovec, y Holly Hazlett-Stevens. New Directions in Progressive Relaxation Training: A Guidebook for Helping Professionals. Westport, Conn.: Praeger, 2000.
Cita MLA (9a ed.)
Bernstein, Douglas A., et al. New Directions in Progressive Relaxation Training: A Guidebook for Helping Professionals. Praeger, 2000.
Precaución: Estas citas no son 100% exactas.