Cita APA

Stumbo, N. J., & Stumbo, N. J. (1999). Intervention activities for at-risk youth. State College, PA: Venture.

Citación estilo Chicago

Stumbo, Norma J., y Norma J. Stumbo. Intervention Activities for At-risk Youth. State College, PA: Venture, 1999.

Cita MLA

Stumbo, Norma J., y Norma J. Stumbo. Intervention Activities for At-risk Youth. State College, PA: Venture, 1999.