Cita APA (7th ed.)

Lindsey, M. P. (1989). Dictionary of mental handicap. Routledge.

Cita Chicago (17th ed.)

Lindsey, Mary P. Dictionary of Mental Handicap. London ; New York: Routledge, 1989.

Cita MLA (9th ed.)

Lindsey, Mary P. Dictionary of Mental Handicap. Routledge, 1989.