APA (7th ed.) Citation
PARKINSON, C., & HOWARD, M. OLDER PERSONS WITH MENTAL RETARDATION - DEVELOPMENTAL DISABILITIES.
Chicago Style (17th ed.) Citation
PARKINSON, C.B, and M. HOWARD. OLDER PERSONS WITH MENTAL RETARDATION - DEVELOPMENTAL DISABILITIES.
MLA (9th ed.) Citation
PARKINSON, C.B, and M. HOWARD. OLDER PERSONS WITH MENTAL RETARDATION - DEVELOPMENTAL DISABILITIES.
Warning: These citations may not always be 100% accurate.