APA (7th ed.) Citation

Geological Survey (U.S.), Alpha, T. R., Wahrhaftig, C., & Huber, N. K. (1987). Oblique map showing maximum extent of 20,000-year-old (Tioga) glaciers, Yosemite National Park, central Sierra Nevada, California. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Tau Rho Alpha, Clyde Wahrhaftig, and N. King Huber. Oblique Map Showing Maximum Extent of 20,000-year-old (Tioga) Glaciers, Yosemite National Park, Central Sierra Nevada, California. Reston, Va.: The Survey, 1987.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Oblique Map Showing Maximum Extent of 20,000-year-old (Tioga) Glaciers, Yosemite National Park, Central Sierra Nevada, California. The Survey, 1987.