1940 Census Enumeration District Descriptions - Oklahoma - Tillman County - ED 71-12, ED 71-13, ED 71-14, ED 71-15, ED 71-16, ED 71-17, ED 71-18

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 - Oklahoma - Tillman County - ED 71-12, ED 71-13, ED 71-14, ED 71-15, ED 71-16, ED 71-17, ED 71-18. 1850-01-01/1950-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5878173. (Accessed September 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 - Oklahoma - Tillman County - ED 71-12, ED 71-13, ED 71-14, ED 71-15, ED 71-16, ED 71-17, ED 71-18. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5878173
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/5878173>.
Note: These citations are programmatically generated and may be incomplete.