Cita APA (7th ed.)

Schalock, R. L., Luckasson, R., & Tassé, M. J. (2021). Intellectual disability: Definition, diagnosis, classification and systems of supports (12th Edition.). American Association on Intellectual and Developmental Disabilities.

Cita Chicago (17th ed.)

Schalock, Robert L., Ruth Luckasson, i Marc J. Tassé. Intellectual Disability: Definition, Diagnosis, Classification and Systems of Supports. 12th Edition. Silver Spring, MD., USA: American Association on Intellectual and Developmental Disabilities, 2021.

Cita MLA (9th ed.)

Schalock, Robert L., et al. Intellectual Disability: Definition, Diagnosis, Classification and Systems of Supports. 12th Edition. American Association on Intellectual and Developmental Disabilities, 2021.