APA (7th ed.) Citation

Elassal, A. A., Caruso, V. M., & Geological Survey. (1983). Digital elevation models. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Elassal, Atef A., Vincent M. Caruso, and Geological Survey. Digital Elevation Models. [Reston, Virginia]: United States Department of the Interior, Geological Survey, 1983.

MLA (8th ed.) Citation

Elassal, Atef A., et al. Digital Elevation Models. United States Department of the Interior, Geological Survey, 1983.

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