APA (7th ed.) Citation

Mangum, A. W., & Lee, O., Jr. (1908). Soil survey of the Laredo area, Texas. U.S. Department of Agriculture, Bureau of Soils.

Chicago Style (17th ed.) Citation

Mangum, A. W., and Ora Lee, Jr. Soil Survey of the Laredo Area, Texas. [Washington, D.C.]: U.S. Department of Agriculture, Bureau of Soils, 1908.

MLA (9th ed.) Citation

Mangum, A. W., and Ora Lee, Jr. Soil Survey of the Laredo Area, Texas. U.S. Department of Agriculture, Bureau of Soils, 1908.