United States. Bureau of the Census. Administrative and Customer Services Division. (1996). 1990 census of population and housing: The older population of the United States. U.S. Dept. of Commerce, Bureau of the Census, Administrative and Customer Services Division.
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. Administrative and Customer Services Division. 1990 Census of Population and Housing: The Older Population of the United States. Washington, DC: U.S. Dept. of Commerce, Bureau of the Census, Administrative and Customer Services Division, 1996.
MLA (9th ed.) CitationUnited States. Bureau of the Census. Administrative and Customer Services Division. 1990 Census of Population and Housing: The Older Population of the United States. U.S. Dept. of Commerce, Bureau of the Census, Administrative and Customer Services Division, 1996.