United States. Bureau of the Census & Batschelet, C. E. (2003). Fifteenth census of the United States: 1930: Metropolitan districts. Population and area. Norman Ross Publishing Inc..
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census and Clarence E. Batschelet. Fifteenth Census of the United States: 1930: Metropolitan Districts. Population and Area. New York: Norman Ross Publishing Inc., 2003.
MLA (8th ed.) CitationUnited States. Bureau of the Census and Clarence E. Batschelet. Fifteenth Census of the United States: 1930: Metropolitan Districts. Population and Area. Norman Ross Publishing Inc., 2003.
Warning: These citations may not always be 100% accurate.