1940 Census Enumeration District Descriptions - Illinois - Greene County - ED 31-9, ED 31-10, ED 31-11, ED 31-12, ED 31-13, ED 31-14, ED 31-15

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 - Illinois - Greene County - ED 31-9, ED 31-10, ED 31-11, ED 31-12, ED 31-13, ED 31-14, ED 31-15. 1850-01-01/1950-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5847739. (Accessed June 23, 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 - Illinois - Greene County - ED 31-9, ED 31-10, ED 31-11, ED 31-12, ED 31-13, ED 31-14, ED 31-15. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5847739
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/5847739>.
Note: These citations are programmatically generated and may be incomplete.