Cita APA (7a ed.)

Ballou, M. B. (1995). Psychological interventions: A guide to strategies. Praeger.

Cita Chicago Style (17a ed.)

Ballou, Mary B. Psychological Interventions: A Guide to Strategies. Westport [etc.]: Praeger, 1995.

Cita MLA (9a ed.)

Ballou, Mary B. Psychological Interventions: A Guide to Strategies. Praeger, 1995.