Cita APA (7a ed.)
Willenberg, E. P., & Willenberg, E. P. The president's panel on mental retardation: Report of the task force on education and rehabilitation.
Cita estilo Chicago (17a ed.)
Willenberg, Ernest P., y Ernest P. Willenberg. The President's Panel on Mental Retardation: Report of the Task Force on Education and Rehabilitation.
Cita MLA (9a ed.)
Willenberg, Ernest P., y Ernest P. Willenberg. The President's Panel on Mental Retardation: Report of the Task Force on Education and Rehabilitation.
Precaución: Estas citas no son 100% exactas.