Cita APA

O'Connor, N., & Hermelin, B. (1963). Speech and thought in severe subnormality: An experimental study. Macmillan.

Citación estilo Chicago

O'Connor, N., and Beate Hermelin. Speech and Thought in Severe Subnormality: An Experimental Study. New York: Macmillan, 1963.

Cita MLA

O'Connor, N., and Beate Hermelin. Speech and Thought in Severe Subnormality: An Experimental Study. Macmillan, 1963.