APA (7th ed.) Citation

Geological Survey (U.S.), Tripp, R. B., & King, H. D. (1993). Maps showing distribution of selected minerals in the nonmagnetic heavy-mineral fraction of stream-sediment samples, Medfra quadrangle, Alaska. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), R. B. Tripp, and Harley D. King. Maps Showing Distribution of Selected Minerals in the Nonmagnetic Heavy-mineral Fraction of Stream-sediment Samples, Medfra Quadrangle, Alaska. Reston, Va.: The Survey, 1993.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Maps Showing Distribution of Selected Minerals in the Nonmagnetic Heavy-mineral Fraction of Stream-sediment Samples, Medfra Quadrangle, Alaska. The Survey, 1993.