APA (7th ed.) Citation

Geological Survey (U.S.) & Clark, A. L. (1974). Metal provinces of Alaska. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Allen L. Clark. Metal Provinces of Alaska. Reston, Va.: U.S. Geological Survey, 1974.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Allen L. Clark. Metal Provinces of Alaska. U.S. Geological Survey, 1974.

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