APA (7th ed.) Citation

Ach, J. A. (1988). Mineral resources of the Lower John Day and Thirtymile Wilderness Study Areas, Sherman and Gilliam Counties, Oregon. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Ach, Jay A. Mineral Resources of the Lower John Day and Thirtymile Wilderness Study Areas, Sherman and Gilliam Counties, Oregon. [Reston, Va.]: Department of the Interior, U.S. Geological Survey, 1988.

MLA (9th ed.) Citation

Ach, Jay A. Mineral Resources of the Lower John Day and Thirtymile Wilderness Study Areas, Sherman and Gilliam Counties, Oregon. Department of the Interior, U.S. Geological Survey, 1988.