APA (7th ed.) Citation

Busenberg, E., & Plummer, L. N. (1987). PH measurement of low-conductivity waters. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Busenberg, Eurybiades, and L. Niel Plummer. PH Measurement of Low-conductivity Waters. Reston, Virgnia: U.S. Geological Survey, 1987.

MLA (9th ed.) Citation

Busenberg, Eurybiades, and L. Niel Plummer. PH Measurement of Low-conductivity Waters. U.S. Geological Survey, 1987.

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