APA (7th ed.) Citation

John, D. A., Armin, R. A., Moore, W. J., & Dohrenwend, J. C. (1981). Geologic map of the Freel and Dardanelles Further Planning areas, Alpine and El Dorado Counties, California. The Survey.

Chicago Style (17th ed.) Citation

John, David A., Richard A. Armin, William J. Moore, and John C. Dohrenwend. Geologic Map of the Freel and Dardanelles Further Planning Areas, Alpine and El Dorado Counties, California. Reston, Va.: The Survey, 1981.

MLA (9th ed.) Citation

John, David A., et al. Geologic Map of the Freel and Dardanelles Further Planning Areas, Alpine and El Dorado Counties, California. The Survey, 1981.