APA (7th ed.) Citation

United States. Bureau of the Census. (1944). Population, Families, Size of Family and Age of Head, Regions and Cities of 1,000,000 or More. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of the Census. Population, Families, Size of Family and Age of Head, Regions and Cities of 1,000,000 or More. [Washington]: [s.n.], 1944.

MLA (9th ed.) Citation

United States. Bureau of the Census. Population, Families, Size of Family and Age of Head, Regions and Cities of 1,000,000 or More. [s.n.], 1944.