APA (7th ed.) Citation

Ames, K. C., & Hawkins, D. B. (1997). Statistical analysis and areal trends of background concentrations of metals in soils of Clark County, Washington. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Ames, Kenneth C., and D. B. Hawkins. Statistical Analysis and Areal Trends of Background Concentrations of Metals in Soils of Clark County, Washington. Tacoma, Washington: U.S. Geological Survey, 1997.

MLA (9th ed.) Citation

Ames, Kenneth C., and D. B. Hawkins. Statistical Analysis and Areal Trends of Background Concentrations of Metals in Soils of Clark County, Washington. U.S. Geological Survey, 1997.