APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Voytik, Andrew. Statistical Analyses of Flood Frequency, Low-flow Frequency, and Flow Duration of Streams in the Philadelphia Area, Pennsylvania. Harrisburg, Pa.: U.S. Dept. of the Interior, Geological Survey, 1986.

MLA (9th ed.) Citation

Voytik, Andrew. Statistical Analyses of Flood Frequency, Low-flow Frequency, and Flow Duration of Streams in the Philadelphia Area, Pennsylvania. U.S. Dept. of the Interior, Geological Survey, 1986.