APA (7th ed.) Citation

Fullerton, D. S., & Kirkham, R. M. (1977). Surficial geologic map of the Gap SW quadrangle, Campbell County, Wyoming. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Fullerton, David S., and Robert M. Kirkham. Surficial Geologic Map of the Gap SW Quadrangle, Campbell County, Wyoming. Reston, Va.: U.S. Geological Survey, 1977.

MLA (9th ed.) Citation

Fullerton, David S., and Robert M. Kirkham. Surficial Geologic Map of the Gap SW Quadrangle, Campbell County, Wyoming. U.S. Geological Survey, 1977.