Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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