APA (7th ed.) Citation

Copeland, M. E. (1998). The worry control workbook. New Harbinger.

Chicago Style (17th ed.) Citation

Copeland, Mary Ellen. The Worry Control Workbook. Oakland, California: New Harbinger, 1998.

MLA (9th ed.) Citation

Copeland, Mary Ellen. The Worry Control Workbook. New Harbinger, 1998.

Warning: These citations may not always be 100% accurate.