United States. Bureau of the Census. (1931). Apportionment of Representatives in Congress on basis of censuses of 1930 and 1910. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. Apportionment of Representatives in Congress on Basis of Censuses of 1930 and 1910. [Washington?]: U.S. Government Printing Office, 1931.
MLA (9th ed.) CitationUnited States. Bureau of the Census. Apportionment of Representatives in Congress on Basis of Censuses of 1930 and 1910. U.S. Government Printing Office, 1931.
Warning: These citations may not always be 100% accurate.