APA (7th ed.) Citation

Geological Survey (U.S.), Ponce, D. A., & Langenheim, V. E. (1987). Aeromagnetic maps of the west-central Sierra Nevada, California. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), David A. Ponce, and Victoria E. Langenheim. Aeromagnetic Maps of the West-central Sierra Nevada, California. Reston, Va.: The Survey, 1987.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Aeromagnetic Maps of the West-central Sierra Nevada, California. The Survey, 1987.