APA (7th ed.) Citation

Ashley, H. E. (1909). The colloid matter of clay and its measurement. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Ashley, Harrison Everett. The Colloid Matter of Clay and Its Measurement. Washington, D.C.: Department of the Interior, United States Geological Survey, 1909.

MLA (9th ed.) Citation

Ashley, Harrison Everett. The Colloid Matter of Clay and Its Measurement. Department of the Interior, United States Geological Survey, 1909.

Warning: These citations may not always be 100% accurate.