APA

United States, . (1999). Profile of the foreign-born population in the United States. Washington,D.C: U.S. Dept. of Commerce, Economics and Statistics Administration, U.S. Census Bureau.

Chicago

United States, . 1999. Profile of the foreign-born population in the United States. Washington,D.C: U.S. Dept. of Commerce, Economics and Statistics Administration, U.S. Census Bureau.

Harvard

United States, . (1999). Profile of the foreign-born population in the United States. Washington,D.C: U.S. Dept. of Commerce, Economics and Statistics Administration, U.S. Census Bureau.

MLA

United States, . Profile of the foreign-born population in the United States. Washington,D.C: U.S. Dept. of Commerce, Economics and Statistics Administration, U.S. Census Bureau. 1999.