APA (7th ed.) Citation

Karr, C. L., Freeman, L. M., & Goldberg, D. E. (1990). Froth flotation collision efficiencies in strong force fields. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Karr, C. L., L. Michael Freeman, and David E. Goldberg. Froth Flotation Collision Efficiencies in Strong Force Fields. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1990.

MLA (9th ed.) Citation

Karr, C. L., et al. Froth Flotation Collision Efficiencies in Strong Force Fields. U.S. Dept. of the Interior, Bureau of Mines, 1990.