Cita APA (7a ed.)

Estados Unidos. Bureau of Labor Statistics & Estados Unidos. Department of Labor. (1918). Descriptions of occupations: Cane-sugar refining, flour milling. United States Department of Labour.

Cita Chicago Style (17a ed.)

Estados Unidos. Bureau of Labor Statistics y Estados Unidos. Department of Labor. Descriptions of Occupations: Cane-sugar Refining, Flour Milling. Washington: United States Department of Labour, 1918.

Cita MLA (9a ed.)

Estados Unidos. Bureau of Labor Statistics y Estados Unidos. Department of Labor. Descriptions of Occupations: Cane-sugar Refining, Flour Milling. United States Department of Labour, 1918.