APA (7th ed.) Citation

United States. Bureau of Chemistry and Soils, Montana Agricultural Experiment Station, Smith, L. H., & DeYoung, W. (1936). Soil survey of the Gallatin Valley area, Montana. U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

United States. Bureau of Chemistry and Soils, Montana Agricultural Experiment Station, L. H. Smith, and William DeYoung. Soil Survey of the Gallatin Valley Area, Montana. Washington, D.C.: U.S. Dept. of Agriculture, 1936.

MLA (9th ed.) Citation

United States. Bureau of Chemistry and Soils, et al. Soil Survey of the Gallatin Valley Area, Montana. U.S. Dept. of Agriculture, 1936.