APA

United States, National Center for Health Statistics (U.S.), . (1968). Use of special aids in homes for the aged and chronically ill: United States - May-June 1964. Washington, D.C: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration.

Chicago

United States, National Center for Health Statistics (U.S.), . 1968. Use of special aids in homes for the aged and chronically ill: United States - May-June 1964. Washington, D.C: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration.

Harvard

United States, National Center for Health Statistics (U.S.), . (1968). Use of special aids in homes for the aged and chronically ill: United States - May-June 1964. Washington, D.C: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration.

MLA

United States, National Center for Health Statistics (U.S.), . Use of special aids in homes for the aged and chronically ill: United States - May-June 1964. Washington, D.C: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration. 1968.