APA (7th ed.) Citation

Emmons, P. J. (1977). Artificial-recharge tests in Upper Black Squirrel Creek Basin, Jimmy Camp Valley, and Fountain Valley, El Paso County, Colorado. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Emmons, Patrick J. Artificial-recharge Tests in Upper Black Squirrel Creek Basin, Jimmy Camp Valley, and Fountain Valley, El Paso County, Colorado. Lakewood, Colorado: U.S. Geological Survey, 1977.

MLA (9th ed.) Citation

Emmons, Patrick J. Artificial-recharge Tests in Upper Black Squirrel Creek Basin, Jimmy Camp Valley, and Fountain Valley, El Paso County, Colorado. U.S. Geological Survey, 1977.