Statistical analyses of flood frequency, low-flow frequency, and flow duration of streams in the Philadelphia area, Pennsylvania

MLA

Voytik, Andrew, Geological Survey (U.S.) and Philadelphia (Pa.). Statistical analyses of flood frequency, low-flow frequency, and flow duration of streams in the Philadelphia area, Pennsylvania. Harrisburg, Pennsylvania : U.S. Geological Survey, 1986.

APA

Voytik, A., Geological Survey (U.S.) & Philadelphia (Pa.). (1986). Statistical analyses of flood frequency, low-flow frequency, and flow duration of streams in the Philadelphia area, Pennsylvania. Harrisburg, Pennsylvania : U.S. Geological Survey.

Chicago

Voytik, Andrew, Geological Survey (U.S.) and Philadelphia (Pa.). Statistical analyses of flood frequency, low-flow frequency, and flow duration of streams in the Philadelphia area, Pennsylvania. Harrisburg, Pennsylvania : U.S. Geological Survey, 1986.