Cita APA (7a ed.)

Agran, M., & Wehmeyer, M. L. (1999). Teaching problem solving to students with mental retardation. American Association on Mental Retardation.

Cita Chicago Style (17a ed.)

Agran, Martin, y Michael L. Wehmeyer. Teaching Problem Solving to Students with Mental Retardation. Washington, D.C.: American Association on Mental Retardation, 1999.

Cita MLA (9a ed.)

Agran, Martin, y Michael L. Wehmeyer. Teaching Problem Solving to Students with Mental Retardation. American Association on Mental Retardation, 1999.