1940 Census Enumeration District Descriptions - Pennsylvania - Berks County - ED 70-50, ED 70-51, ED 70-52, ED 70-53, ED 70-54

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 - Pennsylvania - Berks County - ED 70-50, ED 70-51, ED 70-52, ED 70-53, ED 70-54. 1850-01-01/1950-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5857134. (Accessed June 24, 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 - Pennsylvania - Berks County - ED 70-50, ED 70-51, ED 70-52, ED 70-53, ED 70-54. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5857134
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/5857134>.
Note: These citations are programmatically generated and may be incomplete.