APA (7th ed.) Citation

Tilley, J. S., & Slonecker, E. T. (2006). Quantifying the components of impervious surfaces. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Tilley, Janet S., and E. Terrence Slonecker. Quantifying the Components of Impervious Surfaces. Reston, Va.: U.S. Geological Survey, 2006.

MLA (9th ed.) Citation

Tilley, Janet S., and E. Terrence Slonecker. Quantifying the Components of Impervious Surfaces. U.S. Geological Survey, 2006.