APA

United States, National Center for Educational Statistics & United States. (2009). Digest of educational statistics 2008. Washington: U.S. Dept. of Health, Education, and Welfare, Office of Education [For sale by the Supt. of Doc., U.S. G.P.O.].

Chicago

United States, National Center for Educational Statistics and United States. 2009. Digest of educational statistics 2008. Washington: U.S. Dept. of Health, Education, and Welfare, Office of Education [For sale by the Supt. of Doc., U.S. G.P.O.].

Harvard

United States, National Center for Educational Statistics and United States. (2009). Digest of educational statistics 2008. Washington: U.S. Dept. of Health, Education, and Welfare, Office of Education [For sale by the Supt. of Doc., U.S. G.P.O.].

MLA

United States, National Center for Educational Statistics and United States. Digest of educational statistics 2008. Washington: U.S. Dept. of Health, Education, and Welfare, Office of Education [For sale by the Supt. of Doc., U.S. G.P.O.]. 2009.