APA (7th ed.) Citation

Geological Survey (U.S.) & Klein, T. L. (1989). Mineral occurrence and drill-hole location map of the International Falls 1?x 2?quadrangle, Minnesota and Ontario. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and T. L. Klein. Mineral Occurrence and Drill-hole Location Map of the International Falls 1?x 2?quadrangle, Minnesota and Ontario. Reston, Va.: The Survey, 1989.

MLA (9th ed.) Citation

Geological Survey (U.S.) and T. L. Klein. Mineral Occurrence and Drill-hole Location Map of the International Falls 1?x 2?quadrangle, Minnesota and Ontario. The Survey, 1989.