APA (7th ed.) Citation

Geological Survey (U.S.) & Armstrong, A. K. (1987). Petrographic and scanning electron microscope studies of samples from the Roberts Mountains and Popovich formations, Carlin Mine area, Eureka County, Nevada. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Augustus K. Armstrong. Petrographic and Scanning Electron Microscope Studies of Samples from the Roberts Mountains and Popovich Formations, Carlin Mine Area, Eureka County, Nevada. [Reston, Va.]: Dept. of the Interior, U.S. Geological Survey, 1987.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Augustus K. Armstrong. Petrographic and Scanning Electron Microscope Studies of Samples from the Roberts Mountains and Popovich Formations, Carlin Mine Area, Eureka County, Nevada. Dept. of the Interior, U.S. Geological Survey, 1987.