APA (7th ed.) Citation

Tyler, D. J., & Greenlee, S. K. (2012). Creation of digital contours that approach the characteristics of cartographic contours. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Tyler, Dean J., and Susan K. Greenlee. Creation of Digital Contours That Approach the Characteristics of Cartographic Contours. Reston, VirgInia: U.S. Department of the Interior, U.S. Geological Survey, 2012.

MLA (8th ed.) Citation

Tyler, Dean J., and Susan K. Greenlee. Creation of Digital Contours That Approach the Characteristics of Cartographic Contours. U.S. Department of the Interior, U.S. Geological Survey, 2012.