Citazione Stile APA (7a Edizione)

United States. Bureau of the Census [Population and housing ]. (1971). 1970 census of population and housing. Employment profiles of selected low-income areas. For sale by the Supt. of Docs., U.S. Govt. Print. Off.].

Citazione stile Chigago Style (17a edizione)

United States. Bureau of the Census [Population and housing ]. 1970 Census of Population and Housing. Employment Profiles of Selected Low-income Areas. [Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1971.

Citatione MLA (9a ed.)

United States. Bureau of the Census [Population and housing ]. 1970 Census of Population and Housing. Employment Profiles of Selected Low-income Areas. For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1971.