Cita APA (7a ed.)

Seligman, M., & Darling, R. B. (1997). Ordinary families, special children: A systems approach to childhood disability (2nd ed.). Guilford.

Cita Chicago Style (17a ed.)

Seligman, Milton, y Rosalyn Benjamin Darling. Ordinary Families, Special Children: A Systems Approach to Childhood Disability. 2nd ed. New York [etc.]: Guilford, 1997.

Cita MLA (9a ed.)

Seligman, Milton, y Rosalyn Benjamin Darling. Ordinary Families, Special Children: A Systems Approach to Childhood Disability. 2nd ed. Guilford, 1997.