1940 Census Enumeration District Descriptions - North Dakota - Cass County - ED 9-50, ED 9-51, ED 9-52, ED 9-53, ED 9-54, ED 9-55, ED 9-56, ED 9-57, ED 9-58

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 - North Dakota - Cass County - ED 9-50, ED 9-51, ED 9-52, ED 9-53, ED 9-54, ED 9-55, ED 9-56, ED 9-57, ED 9-58. 1850-01-01/1950-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5873845. (Accessed June 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 - North Dakota - Cass County - ED 9-50, ED 9-51, ED 9-52, ED 9-53, ED 9-54, ED 9-55, ED 9-56, ED 9-57, ED 9-58. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5873845
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/5873845>.
Note: These citations are programmatically generated and may be incomplete.