1940 Census Enumeration District Descriptions - Montana - Carter County - ED 6-12, ED 6-13, ED 6-14, ED 6-15, ED 6-16, ED 6-17, ED 6-18, ED 6-19, ED 6-20

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 - Montana - Carter County - ED 6-12, ED 6-13, ED 6-14, ED 6-15, ED 6-16, ED 6-17, ED 6-18, ED 6-19, ED 6-20. 1850-01-01/1950-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5872360. (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 - Montana - Carter County - ED 6-12, ED 6-13, ED 6-14, ED 6-15, ED 6-16, ED 6-17, ED 6-18, ED 6-19, ED 6-20. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5872360
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/5872360>.
Note: These citations are programmatically generated and may be incomplete.