APA (7th ed.) Citation

Smath, J. A., & Potter, T. L. (1987). Chemical quality of precipitation at Greenville, Maine. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Smath, Joseph A., and Thomas L. Potter. Chemical Quality of Precipitation at Greenville, Maine. Augusta, Maine: U.S. Geological Survey, 1987.

MLA (9th ed.) Citation

Smath, Joseph A., and Thomas L. Potter. Chemical Quality of Precipitation at Greenville, Maine. U.S. Geological Survey, 1987.