United States. Bureau of the Census. (1942). Sixteenth Census of the United States, 1940: Population, 3d series, labor force, occupation, industry, employment, and income: Ohio. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. Sixteenth Census of the United States, 1940: Population, 3d Series, Labor Force, Occupation, Industry, Employment, and Income: Ohio. [Washington]: [s.n.], 1942.
MLA (9th ed.) CitationUnited States. Bureau of the Census. Sixteenth Census of the United States, 1940: Population, 3d Series, Labor Force, Occupation, Industry, Employment, and Income: Ohio. [s.n.], 1942.
Warning: These citations may not always be 100% accurate.