APA (7th ed.) Citation

Leenheer, J. A., & Malcolm, R. L. (1973). Fractionation and characterization of natural organic matter from certain rivers and soils by free-flow electrophoresis. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Leenheer, J. A., and R. L. Malcolm. Fractionation and Characterization of Natural Organic Matter from Certain Rivers and Soils by Free-flow Electrophoresis. Washington, D.C.: United States Department of the Interior, Geological Survey, 1973.

MLA (9th ed.) Citation

Leenheer, J. A., and R. L. Malcolm. Fractionation and Characterization of Natural Organic Matter from Certain Rivers and Soils by Free-flow Electrophoresis. United States Department of the Interior, Geological Survey, 1973.

Warning: These citations may not always be 100% accurate.