APA

National Center for Health Statistics (U.S.), . (1972). Services and activities offered to nursing home residents: United States - 1968. Rockville, Md: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, National Center for Health Statistics.

Chicago

National Center for Health Statistics (U.S.), . 1972. Services and activities offered to nursing home residents: United States - 1968. Rockville, Md: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, National Center for Health Statistics.

Harvard

National Center for Health Statistics (U.S.), . (1972). Services and activities offered to nursing home residents: United States - 1968. Rockville, Md: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, National Center for Health Statistics.

MLA

National Center for Health Statistics (U.S.), . Services and activities offered to nursing home residents: United States - 1968. Rockville, Md: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, National Center for Health Statistics. 1972.