APA (7th ed.) Citation

Geological Survey (U.S.) & Luft, S. J. (1986). Photogeologic and reconnaissance geologic map of the Pennock Creek quadrangle, Custer County, Montana. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Stanley Jeremie Luft. Photogeologic and Reconnaissance Geologic Map of the Pennock Creek Quadrangle, Custer County, Montana. Reston, Va.: The Survey, 1986.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Stanley Jeremie Luft. Photogeologic and Reconnaissance Geologic Map of the Pennock Creek Quadrangle, Custer County, Montana. The Survey, 1986.