United States. Bureau of the Census. Geography Division. (2003). Metropolitan and micropolitan statistical areas of the United States and Puerto Rico, June 6, 2003: Combined statistical areas of the United States and Puerto Rico, June 6, 2003. U.S. Dept. of Commerce, Economics and Statistics Administration, U.S. Census Bureau.
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. Geography Division. Metropolitan and Micropolitan Statistical Areas of the United States and Puerto Rico, June 6, 2003: Combined Statistical Areas of the United States and Puerto Rico, June 6, 2003. [Washington, D.C.]: U.S. Dept. of Commerce, Economics and Statistics Administration, U.S. Census Bureau, 2003.
MLA (9th ed.) CitationUnited States. Bureau of the Census. Geography Division. Metropolitan and Micropolitan Statistical Areas of the United States and Puerto Rico, June 6, 2003: Combined Statistical Areas of the United States and Puerto Rico, June 6, 2003. U.S. Dept. of Commerce, Economics and Statistics Administration, U.S. Census Bureau, 2003.