Style de citation APA (7e éd.)

Nafziger, R. H., & Elger, G. W. (1987). Preparation of titanium feedstock from Minnesota ilmenite by smelting and sulfation-leaching. U.S. Dept. of the Interior, Bureau of Mines.

Style de citation Chicago (17e éd.)

Nafziger, R. H., et G. W. Elger. Preparation of Titanium Feedstock from Minnesota Ilmenite by Smelting and Sulfation-leaching. [Avondale, Md.]: U.S. Dept. of the Interior, Bureau of Mines, 1987.

Style de citation MLA (9e éd.)

Nafziger, R. H., et G. W. Elger. Preparation of Titanium Feedstock from Minnesota Ilmenite by Smelting and Sulfation-leaching. U.S. Dept. of the Interior, Bureau of Mines, 1987.