APA (7th ed.) Citation

Linhart, S. M., & Lund, K. D. (2007). Bathymetric contour maps of lakes surveyed in Iowa in 2004. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Linhart, S. Mike, and Kris D. Lund. Bathymetric Contour Maps of Lakes Surveyed in Iowa in 2004. [Reston, Va.]: U.S. Geological Survey, 2007.

MLA (9th ed.) Citation

Linhart, S. Mike, and Kris D. Lund. Bathymetric Contour Maps of Lakes Surveyed in Iowa in 2004. U.S. Geological Survey, 2007.

Warning: These citations may not always be 100% accurate.