APA

National Center for Health Statistics (U.S.), United States, . (1969). The 1970 census and vital and health statistics: a Study Group report of the Public Health Conference on Records and Statistics. Washington, D.C: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration.

Chicago

National Center for Health Statistics (U.S.), United States, . 1969. The 1970 census and vital and health statistics: a Study Group report of the Public Health Conference on Records and Statistics. Washington, D.C: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration.

Harvard

National Center for Health Statistics (U.S.), United States, . (1969). The 1970 census and vital and health statistics: a Study Group report of the Public Health Conference on Records and Statistics. Washington, D.C: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration.

MLA

National Center for Health Statistics (U.S.), United States, . The 1970 census and vital and health statistics: a Study Group report of the Public Health Conference on Records and Statistics. Washington, D.C: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration. 1969.