1940 Census Enumeration District Descriptions - South Dakota - Dewey County - ED 21-1, ED 21-2, ED 21-3, ED 21-4, ED 21-5, ED 21-6, ED 21-7, ED 21-8, ED 21-9

Chicago citation style
Department of Commerce. Bureau of the Census. Office of the Assistant Director for Operations. Geography Division. (3/13/1947 - 1968). 1940 Census Enumeration District Descriptions - South Dakota - Dewey County - ED 21-1, ED 21-2, ED 21-3, ED 21-4, ED 21-5, ED 21-6, ED 21-7, ED 21-8, ED 21-9. 1850-01-01/1950-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5880482. (Accessed July 17, 2018.)
APA citation style
Department of Commerce. Bureau of the Census. Office of the Assistant Director for Operations. Geography Division. (3/13/1947 - 1968), (1850-01-01/1950-12-31) 1940 Census Enumeration District Descriptions - South Dakota - Dewey County - ED 21-1, ED 21-2, ED 21-3, ED 21-4, ED 21-5, ED 21-6, ED 21-7, ED 21-8, ED 21-9. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5880482
MLA citation style
Department of Commerce. Bureau of the Census. Office of the Assistant Director for Operations. Geography Division. (3/13/1947 - 1968). Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/5880482>.
Note: These citations are programmatically generated and may be incomplete.