1940 Census Enumeration District Descriptions - New York - New York County - ED 31-309, ED 31-310, ED 31-311, ED 31-312, ED 31-313

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 - New York - New York County - ED 31-309, ED 31-310, ED 31-311, ED 31-312, ED 31-313. 1850-01-01/1950-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5853607. (Accessed September 20, 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 - New York - New York County - ED 31-309, ED 31-310, ED 31-311, ED 31-312, ED 31-313. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5853607
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/5853607>.
Note: These citations are programmatically generated and may be incomplete.