APA

United States, . (2006). Economic report of the President transmitted to the Congress. Washington: For sale by Supt. of Docs., U.S. G.P.O.

Chicago

United States, . 2006. Economic report of the President transmitted to the Congress. Washington: For sale by Supt. of Docs., U.S. G.P.O.

Harvard

United States, . (2006). Economic report of the President transmitted to the Congress. Washington: For sale by Supt. of Docs., U.S. G.P.O.

MLA

United States, . Economic report of the President transmitted to the Congress. Washington: For sale by Supt. of Docs., U.S. G.P.O. 2006.