APA (7th ed.) Citation

United States. Soil Conservation Service. (1985). Soil survey of Yakima County area, Washington. The Service.

Chicago Style (17th ed.) Citation

United States. Soil Conservation Service. Soil Survey of Yakima County Area, Washington. [Washington, D.C.?]: The Service, 1985.

MLA (9th ed.) Citation

United States. Soil Conservation Service. Soil Survey of Yakima County Area, Washington. The Service, 1985.

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