APA (7th ed.) Citation

Emmett, W. W. (1980). A field calibration of the sediment-trapping characteristics of the Helley-Smith bedload sampler. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Emmett, William W. A Field Calibration of the Sediment-trapping Characteristics of the Helley-Smith Bedload Sampler. [Reston, Va.]: Dept. of the Interior, Geological Survey, 1980.

MLA (9th ed.) Citation

Emmett, William W. A Field Calibration of the Sediment-trapping Characteristics of the Helley-Smith Bedload Sampler. Dept. of the Interior, Geological Survey, 1980.