Massachusetts Department of Education. (1931). Regulations for determining the number of children three years retarded in mental development: (Chapter 358, General Acts of 1931). Occupational printing plant, Dept. of mental diseases, Gardner State colony.
Chicago Style (17th ed.) CitationMassachusetts Department of Education. Regulations for Determining the Number of Children Three Years Retarded in Mental Development: (Chapter 358, General Acts of 1931). East Gardner: Occupational printing plant, Dept. of mental diseases, Gardner State colony, 1931.
MLA (9th ed.) CitationMassachusetts Department of Education. Regulations for Determining the Number of Children Three Years Retarded in Mental Development: (Chapter 358, General Acts of 1931). Occupational printing plant, Dept. of mental diseases, Gardner State colony, 1931.