Citazione Stile APA (7a Edizione)

Davis, M. (1982). The relaxation and stress reduction workbook (2nd ed.). New Harbinger.

Citazione stile Chigago Style (17a edizione)

Davis, Martha. The Relaxation and Stress Reduction Workbook. 2nd ed. Oakland, CA: New Harbinger, 1982.

Citatione MLA (9a ed.)

Davis, Martha. The Relaxation and Stress Reduction Workbook. 2nd ed. New Harbinger, 1982.