APA (7th ed.) Citation

Perrin, S., Meiser-Stedman, R., & Smith, P. (2005). The Children's Revised Impact of Event Scale (CRIES): Validity as a Screening Instrument for PTSD. Behavioural and cognitive psychotherapy, 33(4), 487. https://doi.org/10.1017/s1352465805002419

Chicago Style (17th ed.) Citation

Perrin, Sean, Richard Meiser-Stedman, and Patrick Smith. "The Children's Revised Impact of Event Scale (CRIES): Validity as a Screening Instrument for PTSD." Behavioural and Cognitive Psychotherapy 33, no. 4 (2005): 487. https://doi.org/10.1017/s1352465805002419.

MLA (9th ed.) Citation

Perrin, Sean, et al. "The Children's Revised Impact of Event Scale (CRIES): Validity as a Screening Instrument for PTSD." Behavioural and Cognitive Psychotherapy, vol. 33, no. 4, 2005, p. 487, https://doi.org/10.1017/s1352465805002419.

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