APA

Koch R., De La Cruz F. F. & National Association for Retarded Citizens. (1975). Down's syndrome (mongolism): research, prevention, and management. New York: Brunner/Mazel.

Chicago

Koch Richard, De La Cruz Felix F and National Association for Retarded Citizens. 1975. Down's syndrome (mongolism): research, prevention, and management. New York: Brunner/Mazel.

Harvard

Koch R., De La Cruz F. F. and National Association for Retarded Citizens. (1975). Down's syndrome (mongolism): research, prevention, and management. New York: Brunner/Mazel.

MLA

Koch Richard, De La Cruz Felix F and National Association for Retarded Citizens. Down's syndrome (mongolism): research, prevention, and management. New York: Brunner/Mazel. 1975.