APA (7th ed.) Citation

Hittle, E., & Risser, D. W. (2019). Estimation of base flow on ungaged, periodically measured streams in small watersheds in western Pennsylvania. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hittle, Elizabeth, and Dennis W. Risser. Estimation of Base Flow on Ungaged, Periodically Measured Streams in Small Watersheds in Western Pennsylvania. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2019.

MLA (9th ed.) Citation

Hittle, Elizabeth, and Dennis W. Risser. Estimation of Base Flow on Ungaged, Periodically Measured Streams in Small Watersheds in Western Pennsylvania. U.S. Department of the Interior, U.S. Geological Survey, 2019.