Cita APA (7th ed.)
United States. Bureau of the Census. (1990). 1987 census of manufactures. U.S. Department of Commerce, Bureau of the Census : [Supt. of Docs., U.S. G.P.O., distributor].
Cita Chicago (17th ed.)
United States. Bureau of the Census. 1987 Census of Manufactures. [Washington, D.C.?]: U.S. Department of Commerce, Bureau of the Census : [Supt. of Docs., U.S. G.P.O., distributor], 1990.
Cita MLA (9th ed.)
United States. Bureau of the Census. 1987 Census of Manufactures. U.S. Department of Commerce, Bureau of the Census : [Supt. of Docs., U.S. G.P.O., distributor], 1990.
Atenció: Aquestes cites poden no estar 100% correctes.