Kirk, S. A. (1951). Educating the retarded child. Houghton Mifflin.
Cita Chicago Style (17a ed.)Kirk, Samuel Alexander. Educating the Retarded Child. Boston: Houghton Mifflin, 1951.
Cita MLA (9a ed.)Kirk, Samuel Alexander. Educating the Retarded Child. Houghton Mifflin, 1951.
Precaución: Estas citas no son 100% exactas.