APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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