O'connor, N., & And Hermelin, B. (1963). Speech and thought in severe subnormality.
Chicago Edition CitationO'connor, N., and Beate And Hermelin. Speech and Thought in Severe Subnormality. 1963.
MLA Edition CitationO'connor, N., and Beate And Hermelin. Speech and Thought in Severe Subnormality. 1963.
Warning: These citations may not always be 100% accurate.