APA (7th ed.) Citation

Calzia, J. P., Troxel, B. W., & Raumann, C. G. (2003). Geologic map of the Valjean Hills 7.5' quadrangle, San Bernardino County, California (Online version 1.0.). U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Calzia, J. P., Bennie W. Troxel, and Christian G. Raumann. Geologic Map of the Valjean Hills 7.5' Quadrangle, San Bernardino County, California. Online version 1.0. [Menlo Park, Calif.]: U.S. Geological Survey, 2003.

MLA (9th ed.) Citation

Calzia, J. P., et al. Geologic Map of the Valjean Hills 7.5' Quadrangle, San Bernardino County, California. Online version 1.0. U.S. Geological Survey, 2003.