APA (7th ed.) Citation

United States. Bureau of Chemistry and Soils. (1932). Soil survey of Placerville area, Calif. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Chemistry and Soils. Soil Survey of Placerville Area, Calif. Washington: U.S. GPO, 1932.

MLA (9th ed.) Citation

United States. Bureau of Chemistry and Soils. Soil Survey of Placerville Area, Calif. U.S. GPO, 1932.

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