Cita APA (7a ed.)

Hingsburger, D. (1992). i to I: Self concept and people with developmental disabilities (2nd ed.). VIDA.

Cita Chicago Style (17a ed.)

Hingsburger, David. I to I: Self Concept and People with Developmental Disabilities. 2nd ed. Mountville, Pennsylvania: VIDA, 1992.

Cita MLA (9a ed.)

Hingsburger, David. I to I: Self Concept and People with Developmental Disabilities. 2nd ed. VIDA, 1992.