APA (7th ed.) Citation

Geological Survey (U.S.) & Todd, V. R. (1988). Mineral resources of the Southern Otay Mountain and Western Otay Mountain Wilderness Study Areas, San Diego County, California. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Victoria R. Todd. Mineral Resources of the Southern Otay Mountain and Western Otay Mountain Wilderness Study Areas, San Diego County, California. [Reston, Va.]: Dept. of the Interior, U.S. Geological Survey, 1988.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Victoria R. Todd. Mineral Resources of the Southern Otay Mountain and Western Otay Mountain Wilderness Study Areas, San Diego County, California. Dept. of the Interior, U.S. Geological Survey, 1988.