1940 Census Enumeration District Descriptions - Oregon - Columbia County - ED 5-9, ED 5-10, ED 5-11, ED 5-12, ED 5-13, ED 5-14, ED 5-15, ED 5-16, ED 5-17, ED 5-18

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 - Oregon - Columbia County - ED 5-9, ED 5-10, ED 5-11, ED 5-12, ED 5-13, ED 5-14, ED 5-15, ED 5-16, ED 5-17, ED 5-18. 1850-01-01/1950-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5878383. (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 - Oregon - Columbia County - ED 5-9, ED 5-10, ED 5-11, ED 5-12, ED 5-13, ED 5-14, ED 5-15, ED 5-16, ED 5-17, ED 5-18. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5878383
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/5878383>.
Note: These citations are programmatically generated and may be incomplete.