Cita APA (7a ed.)

Klein, R. H., Schermer, V. L., & MacKenzie, K. R. (2000). Group psychotherapy for psychological trauma. Guilford.

Cita Chicago Style (17a ed.)

Klein, Robert H., Victor L. Schermer, y K. Roy MacKenzie. Group Psychotherapy for Psychological Trauma. New York [etc.]: Guilford, 2000.

Cita MLA (9a ed.)

Klein, Robert H., et al. Group Psychotherapy for Psychological Trauma. Guilford, 2000.