APA (7th ed.) Citation

Geological Survey (U.S.), Johnson, K. M., & Worl, R. G. (1991). Mineral resource studies of national forest roadless areas in Idaho. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Kathleen M. Johnson, and Ronald G. Worl. Mineral Resource Studies of National Forest Roadless Areas in Idaho. [Menlo Park, Calif.]: United States Department of the Interior, Geological Survey, 1991.

MLA (8th ed.) Citation

Geological Survey (U.S.), et al. Mineral Resource Studies of National Forest Roadless Areas in Idaho. United States Department of the Interior, Geological Survey, 1991.