1950 Census Enumeration District Maps - Oklahoma (OK) - Oklahoma County - Oklahoma City Urbanized Area- ED 55-7 to 11, 55-19 to 24, 55-29 to 52, 55-54 to 56, 55-72 to 75, 55-77 to 80, 55-83 to 89, 55-93, 55-101, 55-115 to 123, 55-129 to 133, 55-137 to 144, 55-148 to 151, 55-155 to 157

Chicago citation style
Department of Commerce. Bureau of the Census. Office of the Associate Director for Decennial Census. Geography Division. (1/1987 - 7/15/2011). 1950 Census Enumeration District Maps - Oklahoma (OK) - Oklahoma County - Oklahoma City Urbanized Area- ED 55-7 to 11, 55-19 to 24, 55-29 to 52, 55-54 to 56, 55-72 to 75, 55-77 to 80, 55-83 to 89, 55-93, 55-101, 55-115 to 123, 55-129 to 133, 55-137 to 144, 55-148 to 151, 55-155 to 157. 1880-01-01/1990-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/32199349. (Accessed May 26, 2018.)
APA citation style
Department of Commerce. Bureau of the Census. Office of the Associate Director for Decennial Census. Geography Division. (1/1987 - 7/15/2011), (1880-01-01/1990-12-31) 1950 Census Enumeration District Maps - Oklahoma (OK) - Oklahoma County - Oklahoma City Urbanized Area- ED 55-7 to 11, 55-19 to 24, 55-29 to 52, 55-54 to 56, 55-72 to 75, 55-77 to 80, 55-83 to 89, 55-93, 55-101, 55-115 to 123, 55-129 to 133, 55-137 to 144, 55-148 to 151, 55-155 to 157. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/32199349
MLA citation style
Department of Commerce. Bureau of the Census. Office of the Associate Director for Decennial Census. Geography Division. (1/1987 - 7/15/2011). Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/32199349>.
Note: These citations are programmatically generated and may be incomplete.