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. 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, Pennsylvania: U.S. 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. Geological Survey, 1986.