Citazione Stile APA (7a Edizione)

Wells, K., & Biegel, D. E. (1991). Family preservation services: Research and evaluation. Sage Publications.

Citazione stile Chigago Style (17a edizione)

Wells, Kathleen, e David E. Biegel. Family Preservation Services: Research and Evaluation. Newbury Park, Calif. ; London ; New Delhi: Sage Publications, 1991.

Citatione MLA (8a ed.)

Wells, Kathleen, e David E. Biegel. Family Preservation Services: Research and Evaluation. Sage Publications, 1991.