Institute for Research into Mental Retardation & Clayton, B. E. (1973). Mental retardation: environmental hazards: Proceedings of symposia 9, 10 and 11 held at the Middlesex Hospital School on 11 June and 19 November 1971 and 10 March 1972 under the auspices of the Institute for Research into Mental Retardation. Butterworths [for] the Institute for Research into Mental Retardation.
Chicago Style (17th ed.) CitationInstitute for Research into Mental Retardation and Barbara Evelyn Clayton. Mental Retardation: Environmental Hazards: Proceedings of Symposia 9, 10 and 11 Held at the Middlesex Hospital School on 11 June and 19 November 1971 and 10 March 1972 Under the Auspices of the Institute for Research into Mental Retardation. London: Butterworths [for] the Institute for Research into Mental Retardation, 1973.
MLA (8th ed.) CitationInstitute for Research into Mental Retardation and Barbara Evelyn Clayton. Mental Retardation: Environmental Hazards: Proceedings of Symposia 9, 10 and 11 Held at the Middlesex Hospital School on 11 June and 19 November 1971 and 10 March 1972 Under the Auspices of the Institute for Research into Mental Retardation. Butterworths [for] the Institute for Research into Mental Retardation, 1973.