1940 Census Enumeration District Descriptions - South Dakota - McCook County - ED 44-12, ED 44-13, ED 44-14, ED 44-15, ED 44-16, ED 44-17, ED 44-18, ED 44-19, ED 44-20, ED 44-21

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 - McCook County - ED 44-12, ED 44-13, ED 44-14, ED 44-15, ED 44-16, ED 44-17, ED 44-18, ED 44-19, ED 44-20, ED 44-21. 1850-01-01/1950-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5880597. (Accessed July 16, 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 - McCook County - ED 44-12, ED 44-13, ED 44-14, ED 44-15, ED 44-16, ED 44-17, ED 44-18, ED 44-19, ED 44-20, ED 44-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5880597
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/5880597>.
Note: These citations are programmatically generated and may be incomplete.