APA (7th ed.) Citation

Barnhardt, W. A., & Andrews, B. D. (2006). Mapping the seafloor geology offshore of Massachusetts. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Barnhardt, Walter A., and Brian D. Andrews. Mapping the Seafloor Geology Offshore of Massachusetts. [Woods Hole, Mass.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2006.

MLA (9th ed.) Citation

Barnhardt, Walter A., and Brian D. Andrews. Mapping the Seafloor Geology Offshore of Massachusetts. U.S. Dept. of the Interior, U.S. Geological Survey, 2006.