Citazione APA

Wilkinson, A., Meares, K., & Freeston, M. (2011). CBT for worry and generalised anxiety disorder. Sage.

Stile di citazione Chicago

Wilkinson, Andrew, Kevin Meares, e Mark Freeston. CBT for Worry and Generalised Anxiety Disorder. Los Angeles: Sage, 2011.

Citazione MLA

Wilkinson, Andrew, et al. CBT for Worry and Generalised Anxiety Disorder. Sage, 2011.