Gentle teaching :
a non-aversive approach to helping persons with mental retardation /
John J. McGee ... [et al.].

APA Citation

McGee, J. J. (1987). Gentle teaching: a non-aversive approach to helping persons with mental retardation. New York, N.Y.: Human Sciences Press.

MLA Citation

McGee, John J. Gentle Teaching: a Non-aversive Approach to Helping Persons With Mental Retardation. New York, N.Y.: Human Sciences Press, 1987.

Warning: These citations may not always be complete (especially for serials).