Cite
MLA (8th Edition)
Valentine, Page C.. Seabed Maps Showing Topography, Ruggedness, Backscatter Intensity, Sediment Mobility, Slope, and the Distribution of Geologic Substrates In Quadrangle 6 of the Stellwagen Bank National Marine Sanctuary Region Off Boston, Massachusetts. U.S. Department of the Interior, U.S. Geological Survey, 2015.
APA (7th Edition)
Valentine, P. C. (2015). Seabed maps showing topography, ruggedness, backscatter intensity, sediment mobility, slope, and the distribution of geologic substrates in quadrangle 6 of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts. U.S. Department of the Interior, U.S. Geological Survey.
Chicago (17th Edition)
Valentine, Page C. “Seabed Maps Showing Topography, Ruggedness, Backscatter Intensity, Sediment Mobility, Slope, and the Distribution of Geologic Substrates in Quadrangle 6 of the Stellwagen Bank National Marine Sanctuary Region off Boston, Massachusetts.” Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2015.