Cita APA (7th ed.)

Schiefelbusch, R. L. (1972). Language of the Mentally Retarded. University Park Press.

Cita Chicago (17th ed.)

Schiefelbusch, Richard L. Language of the Mentally Retarded. Baltimore: University Park Press, 1972.

Cita MLA (9th ed.)

Schiefelbusch, Richard L. Language of the Mentally Retarded. University Park Press, 1972.