United States. President's Committee on Mental Retardation. (1977). Mental retardation: Past and present. The Committee : For sale by the Supt. of Docs., U.S. Govt. Print. Off..
Chicago Style (17th ed.) CitationUnited States. President's Committee on Mental Retardation. Mental Retardation: Past and Present. Washington: The Committee : For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1977.
MLA (8th ed.) CitationUnited States. President's Committee on Mental Retardation. Mental Retardation: Past and Present. The Committee : For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1977.
Warning: These citations may not always be 100% accurate.