APA (7th ed.) Citation
MURPHY, C., & ET AL. (1998). EPIDEMIOLOGY OF MENTAL RETARDATION IN CHILDREN.
Chicago Style (17th ed.) Citation
MURPHY, C.C, and ET AL. EPIDEMIOLOGY OF MENTAL RETARDATION IN CHILDREN. 1998.
MLA (9th ed.) Citation
MURPHY, C.C, and ET AL. EPIDEMIOLOGY OF MENTAL RETARDATION IN CHILDREN. 1998.
Warning: These citations may not always be 100% accurate.