APA (7th ed.) Citation

United States. Soil Conservation Service & Texas Agricultural Experiment Station. (1985). Soil survey of Webb County, Texas. The Service.

Chicago Style (17th ed.) Citation

United States. Soil Conservation Service and Texas Agricultural Experiment Station. Soil Survey of Webb County, Texas. [Washington, D.C.?]: The Service, 1985.

MLA (9th ed.) Citation

United States. Soil Conservation Service and Texas Agricultural Experiment Station. Soil Survey of Webb County, Texas. The Service, 1985.