1940 Census Enumeration District Descriptions - Puerto Rico - Arecibo County - ED 12-43, ED 12-44, ED 12-45, ED 12-46

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 - Puerto Rico - Arecibo County - ED 12-43, ED 12-44, ED 12-45, ED 12-46. 1850-01-01/1950-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5879187. (Accessed October 22, 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 - Puerto Rico - Arecibo County - ED 12-43, ED 12-44, ED 12-45, ED 12-46. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5879187
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/5879187>.
Note: These citations are programmatically generated and may be incomplete.