1940 Census Enumeration District Descriptions - District of Columbia - District of Columbia County - ED 1-215, ED 1-216A, ED 1-216B, ED 1-216C

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 - District of Columbia - District of Columbia County - ED 1-215, ED 1-216A, ED 1-216B, ED 1-216C. 1850-01-01/1950-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5841970. (Accessed November 18, 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 - District of Columbia - District of Columbia County - ED 1-215, ED 1-216A, ED 1-216B, ED 1-216C. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5841970
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/5841970>.
Note: These citations are programmatically generated and may be incomplete.