APA Style

Gregory, Barry M.. (). Cognitive-Behavioral therapy CBT Skills Workbook : Practical Exercises and Worksheets to Promote Change . USA: Pesi LLC.

Chicago Style

Gregory, Barry M.. Cognitive-Behavioral therapy CBT Skills Workbook : Practical Exercises and Worksheets to Promote Change. USA: Pesi LLC, . Text.

MLA Style

Gregory, Barry M.. Cognitive-Behavioral therapy CBT Skills Workbook : Practical Exercises and Worksheets to Promote Change. USA: Pesi LLC, . Text.

Turabian Style

Gregory, Barry M.. Cognitive-Behavioral therapy CBT Skills Workbook : Practical Exercises and Worksheets to Promote Change. USA: Pesi LLC, . Print.