International review of research in mental retardation.

MLA

Ellis, Norman R. International Review of Research In Mental Retardation. New York: Academic Press, 1966.

APA

Ellis, N. R. (1966). International review of research in mental retardation. New York: Academic Press.

Chicago

Ellis, Norman R. International Review of Research In Mental Retardation. New York: Academic Press, 1966.