APA (7th ed.) Citation

Geological Survey (U.S.), Montana Bureau of Mines and Geology, Leach, D. L., & Hopkins, D. M. (1986). Geochemical map showing distribution of stream-sediment samples that contain anomalous concentrations of antimony, bismuth, cadmium, copper, lead, silver, and zinc in the Wallace 1⁰ x 2⁰ quadrangle, Montana and Idaho. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Montana Bureau of Mines and Geology, D. L. Leach, and David Moody Hopkins. Geochemical Map Showing Distribution of Stream-sediment Samples That Contain Anomalous Concentrations of Antimony, Bismuth, Cadmium, Copper, Lead, Silver, and Zinc in the Wallace 1⁰ X 2⁰ Quadrangle, Montana and Idaho. Reston, Va.: The Survey, 1986.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geochemical Map Showing Distribution of Stream-sediment Samples That Contain Anomalous Concentrations of Antimony, Bismuth, Cadmium, Copper, Lead, Silver, and Zinc in the Wallace 1⁰ X 2⁰ Quadrangle, Montana and Idaho. The Survey, 1986.