Cita APA (7a ed.)

Hallahan, D. P., & Kauffman, J. M. (1991). Exceptional children: Introduction to special education (5th ed.). Allyn and Bacon.

Cita Chicago Style (17a ed.)

Hallahan, Daniel P., y James M. Kauffman. Exceptional Children: Introduction to Special Education. 5th ed. Boston [etc.]: Allyn and Bacon, 1991.

Cita MLA (9a ed.)

Hallahan, Daniel P., y James M. Kauffman. Exceptional Children: Introduction to Special Education. 5th ed. Allyn and Bacon, 1991.