APA (7th ed.) Citation

Geological Survey (U.S.) & Carrara, P. E. (1990). Preliminary surficial geologic map of the Chewelah quadrangle, Stevens County, Washington. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Paul E. Carrara. Preliminary Surficial Geologic Map of the Chewelah Quadrangle, Stevens County, Washington. Reston, Va.: The Survey, 1990.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Paul E. Carrara. Preliminary Surficial Geologic Map of the Chewelah Quadrangle, Stevens County, Washington. The Survey, 1990.