APA (7th ed.) Citation

Kugel, R. B., & Wolfensberger, W. (1969). Changing patterns in residential services for the mentally retarded. President's Committee on Mental Retardation.

Chicago Style (17th ed.) Citation

Kugel, Robert B., and Wolf Wolfensberger. Changing Patterns in Residential Services for the Mentally Retarded. Washington: President's Committee on Mental Retardation, 1969.

MLA (8th ed.) Citation

Kugel, Robert B., and Wolf Wolfensberger. Changing Patterns in Residential Services for the Mentally Retarded. President's Committee on Mental Retardation, 1969.