1940 Census Enumeration District Descriptions - Mississippi - Calhoun County - ED 7-8, ED 7-9, ED 7-10, ED 7-11, ED 7-12, ED 7-13, ED 7-14

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 - Mississippi - Calhoun County - ED 7-8, ED 7-9, ED 7-10, ED 7-11, ED 7-12, ED 7-13, ED 7-14. 1850-01-01/1950-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5871904. (Accessed June 22, 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 - Mississippi - Calhoun County - ED 7-8, ED 7-9, ED 7-10, ED 7-11, ED 7-12, ED 7-13, ED 7-14. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5871904
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/5871904>.
Note: These citations are programmatically generated and may be incomplete.