APA (7th ed.) Citation

Tooker, E. W., Force, E. R., & Geological Survey. (1980). Preliminary map of titanium provinces in the conterminous United States. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Tooker, Edwin W., Eric R. Force, and Geological Survey. Preliminary Map of Titanium Provinces in the Conterminous United States. [Reston, Va.]: U.S. Geological Survey, 1980.

MLA (8th ed.) Citation

Tooker, Edwin W., et al. Preliminary Map of Titanium Provinces in the Conterminous United States. U.S. Geological Survey, 1980.