APA (7th ed.) Citation

Fahrenwald, A. W., & Thom, C. (1929). Coarse sand flotation classification and table concentration. [publisher not identified].

Chicago Style (17th ed.) Citation

Fahrenwald, A. W., and Clarence Thom. Coarse Sand Flotation Classification and Table Concentration. Washington, D.C.: [publisher not identified], 1929.

MLA (9th ed.) Citation

Fahrenwald, A. W., and Clarence Thom. Coarse Sand Flotation Classification and Table Concentration. [publisher not identified], 1929.