United States. Bureau of the Census. (1975). Census of population, 1970: Childspacing and current fertility. U.S. Department of Commerce, Social and Economic Statistics Administration, Bureau of the Census : For sale by the Supt. of Docs., U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. Census of Population, 1970: Childspacing and Current Fertility. Washington, D.C.: U.S. Department of Commerce, Social and Economic Statistics Administration, Bureau of the Census : For sale by the Supt. of Docs., U.S. G.P.O., 1975.
MLA (9th ed.) CitationUnited States. Bureau of the Census. Census of Population, 1970: Childspacing and Current Fertility. U.S. Department of Commerce, Social and Economic Statistics Administration, Bureau of the Census : For sale by the Supt. of Docs., U.S. G.P.O., 1975.