APA (7th ed.) Citation

Reynolds, M. W., & Brandt, T. R. (2006). Preliminary geologic map of the Townsend 30' x 60' quadrangle, Montana (Version 1.0.). U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Reynolds, Mitchell W., and Ted R. Brandt. Preliminary Geologic Map of the Townsend 30' X 60' Quadrangle, Montana. Version 1.0. Denver, Colo.: U.S. Geological Survey, 2006.

MLA (9th ed.) Citation

Reynolds, Mitchell W., and Ted R. Brandt. Preliminary Geologic Map of the Townsend 30' X 60' Quadrangle, Montana. Version 1.0. U.S. Geological Survey, 2006.