APA Citatie

Usmani, Z. A., Carson, K. V., Heslop, K., Esterman, A. J., De Soyza, A., & Smith, B. J. (2017). Psychological therapies for the treatment of anxiety disorders in chronic obstructive pulmonary disease. Cochrane Database Syst Rev.

Chicago Style citaat

Usmani, Zafar A., Kristin V. Carson, Karen Heslop, Adrian J. Esterman, Anthony De Soyza, en Brian J. Smith. "Psychological Therapies for the Treatment of Anxiety Disorders in Chronic Obstructive Pulmonary Disease." Cochrane Database Syst Rev 2017.

MLA citatie

Usmani, Zafar A., et al. "Psychological Therapies for the Treatment of Anxiety Disorders in Chronic Obstructive Pulmonary Disease." Cochrane Database Syst Rev 2017.