APA (7th ed.) Citation

Geological Survey (U.S.) & Coulter, H. W. (1965). Map showing extent of glaciations in Alaska. U.S. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Henry W. Coulter. Map Showing Extent of Glaciations in Alaska. Washington: U.S. Dept. of the Interior, Geological Survey, 1965.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Henry W. Coulter. Map Showing Extent of Glaciations in Alaska. U.S. Dept. of the Interior, Geological Survey, 1965.