1940 Census Enumeration District Descriptions - South Carolina - Fairfield County - ED 20-16, ED 20-17, ED 20-18, ED 20-19A, ED 20-19B, ED 20-20, ED 20-21A, ED 20-21B, ED 20-22, ED 20-23

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 Carolina - Fairfield County - ED 20-16, ED 20-17, ED 20-18, ED 20-19A, ED 20-19B, ED 20-20, ED 20-21A, ED 20-21B, ED 20-22, ED 20-23. 1850-01-01/1950-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5880031. (Accessed September 25, 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 Carolina - Fairfield County - ED 20-16, ED 20-17, ED 20-18, ED 20-19A, ED 20-19B, ED 20-20, ED 20-21A, ED 20-21B, ED 20-22, ED 20-23. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5880031
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/5880031>.
Note: These citations are programmatically generated and may be incomplete.