Spiegler, M. D. (2016). Contemporary behavior therapy (Sixth edition.). Cengage Learning.
Citazione stile Chigago Style (17a edizione)Spiegler, Michael D. Contemporary Behavior Therapy. Sixth edition. Boston, Massachusetts: Cengage Learning, 2016.
Citatione MLA (9a ed.)Spiegler, Michael D. Contemporary Behavior Therapy. Sixth edition. Cengage Learning, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.