APA (7th ed.) Citation

Geological Survey. (1932). Relief map of the United States (Ed. of 1920, reprinted 1932.). Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey. Relief Map of the United States. Ed. of 1920, reprinted 1932. Washington, D.C.: Geological Survey, 1932.

MLA (8th ed.) Citation

Geological Survey. Relief Map of the United States. Ed. of 1920, reprinted 1932. Geological Survey, 1932.

Warning: These citations may not always be 100% accurate.