1940 Census Enumeration District Descriptions - Nebraska - Richardson County - ED 74-13, ED 74-14, ED 74-16, ED 74-17, ED 74-18, ED 74-19, ED 74-20, ED 74-21

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 - Nebraska - Richardson County - ED 74-13, ED 74-14, ED 74-16, ED 74-17, ED 74-18, ED 74-19, ED 74-20, ED 74-21. 1850-01-01/1950-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5874749. (Accessed July 21, 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 - Nebraska - Richardson County - ED 74-13, ED 74-14, ED 74-16, ED 74-17, ED 74-18, ED 74-19, ED 74-20, ED 74-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5874749
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/5874749>.
Note: These citations are programmatically generated and may be incomplete.