APA   Click to copy
Vowles, K. E., Wetherell, J. L., & Sorrell, J. T. (2009). Targeting acceptance, mindfulness, and values-based action in chronic pain: findings of two preliminary trials of an outpatient group-based intervention. Cognitive and Behavioral Practice, 16, 49–58.

Chicago/Turabian   Click to copy
Vowles, Kevin E, Julie Loebach Wetherell, and John T Sorrell. “Targeting Acceptance, Mindfulness, and Values-Based Action in Chronic Pain: Findings of Two Preliminary Trials of an Outpatient Group-Based Intervention.” Cognitive and Behavioral Practice 16 (2009): 49–58.

MLA   Click to copy
Vowles, Kevin E., et al. “Targeting Acceptance, Mindfulness, and Values-Based Action in Chronic Pain: Findings of Two Preliminary Trials of an Outpatient Group-Based Intervention.” Cognitive and Behavioral Practice, vol. 16, Elsevier, 2009, pp. 49–58.

@article{vowles2009a,
  title = {Targeting acceptance, mindfulness, and values-based action in chronic pain: findings of two preliminary trials of an outpatient group-based intervention},
  year = {2009},
  journal = {Cognitive and Behavioral Practice},
  pages = {49--58},
  publisher = {Elsevier},
  volume = {16},
  author = {Vowles, Kevin E and Wetherell, Julie Loebach and Sorrell, John T}
}