United States. Bureau of the Census. (1943). Sixteenth census of the United States: 1940, Population, v. 4, Characteristics by age, marital status, relationship, education, and citizenship, part 1, United States summary. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. Sixteenth Census of the United States: 1940, Population, V. 4, Characteristics by Age, Marital Status, Relationship, Education, and Citizenship, Part 1, United States Summary. [Washington]: [s.n.], 1943.
MLA (9th ed.) CitationUnited States. Bureau of the Census. Sixteenth Census of the United States: 1940, Population, V. 4, Characteristics by Age, Marital Status, Relationship, Education, and Citizenship, Part 1, United States Summary. [s.n.], 1943.
Warning: These citations may not always be 100% accurate.