APA (7th ed.) Citation

Robinson, W. O., & Holmes, R. S. (1924). The chemical composition of soil colloids. U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Robinson, W. O., and R. S. Holmes. The Chemical Composition of Soil Colloids. Washington, D.C.: U.S. Dept. of Agriculture, 1924.

MLA (9th ed.) Citation

Robinson, W. O., and R. S. Holmes. The Chemical Composition of Soil Colloids. U.S. Dept. of Agriculture, 1924.