United States. Bureau of the Census. (1943). Sixteenth census of the United States: 1940 Population: Nativity and parentage of the white population. General characteristics, age, marital status, and education, for states and large cities. U.S. Govt. Print. Off..
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. Sixteenth Census of the United States: 1940 Population: Nativity and Parentage of the White Population. General Characteristics, Age, Marital Status, and Education, for States and Large Cities. Washington, DC: U.S. Govt. Print. Off., 1943.
MLA (8th ed.) CitationUnited States. Bureau of the Census. Sixteenth Census of the United States: 1940 Population: Nativity and Parentage of the White Population. General Characteristics, Age, Marital Status, and Education, for States and Large Cities. U.S. Govt. Print. Off., 1943.