APA (7th ed.) Citation

Smith, W. H. F., & Sandwell, D. T. (1997). Global seafloor topography measured & estimated from gravity data derived from satellite altimetry and shipboard depth soundings: A full color poster. [National Geophysical Data Center].

Chicago Style (17th ed.) Citation

Smith, Walter H. F., and David T. Sandwell. Global Seafloor Topography Measured & Estimated from Gravity Data Derived from Satellite Altimetry and Shipboard Depth Soundings: A Full Color Poster. [Boulder, Colo.]: [National Geophysical Data Center], 1997.

MLA (9th ed.) Citation

Smith, Walter H. F., and David T. Sandwell. Global Seafloor Topography Measured & Estimated from Gravity Data Derived from Satellite Altimetry and Shipboard Depth Soundings: A Full Color Poster. [National Geophysical Data Center], 1997.