Cita APA (7a ed.)
Haywood, C. H. (1981). Living environments for developmentally retarded persons. University Park.
Cita estilo Chicago (17a ed.)
Haywood, Carl H. Living Environments for Developmentally Retarded Persons. Baltimore, EUA: University Park, 1981.
Cita MLA (9a ed.)
Haywood, Carl H. Living Environments for Developmentally Retarded Persons. University Park, 1981.
Precaución: Estas citas no son 100% exactas.