Cita APA (7th ed.)

Heaton-Ward, W. A., & Heaton-Ward, W. A. (1978). Left behind: A study of mental handicap. Woburn Press.

Cita Chicago (17th ed.)

Heaton-Ward, W. Alan, i William Alan Heaton-Ward. Left Behind: A Study of Mental Handicap. London: Woburn Press, 1978.

Cita MLA (8th ed.)

Heaton-Ward, W. Alan, i William Alan Heaton-Ward. Left Behind: A Study of Mental Handicap. Woburn Press, 1978.