APA (7th ed.) Citation

United States. Bureau of Chemistry and Soils, Knobel, E. W., & Peightal, M. F. (1929). Soil survey of Cass County, N.Dak. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Chemistry and Soils, E. W. Knobel, and M. F. Peightal. Soil Survey of Cass County, N.Dak. Washington: U.S. GPO, 1929.

MLA (9th ed.) Citation

United States. Bureau of Chemistry and Soils, et al. Soil Survey of Cass County, N.Dak. U.S. GPO, 1929.