APA (7th ed.) Citation

Geological Survey (U.S.), Ramp, L., & Moring, B. (1986). Reconnaissance geologic map of the Marial quadrangle, southwestern Oregon. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Len Ramp, and Barry Moring. Reconnaissance Geologic Map of the Marial Quadrangle, Southwestern Oregon. Reston, Va.: The Survey, 1986.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Reconnaissance Geologic Map of the Marial Quadrangle, Southwestern Oregon. The Survey, 1986.