Cita APA (7th ed.)
Dunbar Robert E. (1978). Mental retardation. Franklin watts.
Cita Chicago (17th ed.)
Dunbar Robert E. Mental Retardation. New York: Franklin watts, 1978.
Cita MLA (9th ed.)
Dunbar Robert E. Mental Retardation. Franklin watts, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.