U.S. Coast and Geodetic Survey. United States--Great Lakes, Lake Michigan--Illinois, Chicago Harbor. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Coast and Geodetic Survey.
Chicago Style (17th ed.) CitationU.S. Coast and Geodetic Survey. United States--Great Lakes, Lake Michigan--Illinois, Chicago Harbor. Washington, D.C.: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Coast and Geodetic Survey.
MLA (9th ed.) CitationU.S. Coast and Geodetic Survey. United States--Great Lakes, Lake Michigan--Illinois, Chicago Harbor. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Coast and Geodetic Survey.
Warning: These citations may not always be 100% accurate.