United States. Office of Educational Research and Improvement. Center for Education Statistics, National Center for Education Statistics. Information Services, & National Center for Education Statistics. Directory of postsecondary institutions. Office of Educational Research and Improvement, U.S. Dept. of Education.
Chicago Style (17th ed.) CitationUnited States. Office of Educational Research and Improvement. Center for Education Statistics, National Center for Education Statistics. Information Services, and National Center for Education Statistics. Directory of Postsecondary Institutions. Washington, D.C.: Office of Educational Research and Improvement, U.S. Dept. of Education.
MLA (9th ed.) CitationUnited States. Office of Educational Research and Improvement. Center for Education Statistics, et al. Directory of Postsecondary Institutions. Office of Educational Research and Improvement, U.S. Dept. of Education.