APA (7th ed.) Citation

Cornwall, H. R. (1954). Bedrock geology of the Phoenix quadrangle, Michigan. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Cornwall, Henry R. Bedrock Geology of the Phoenix Quadrangle, Michigan. Washington, D.C.: U.S. Geological Survey, 1954.

MLA (9th ed.) Citation

Cornwall, Henry R. Bedrock Geology of the Phoenix Quadrangle, Michigan. U.S. Geological Survey, 1954.

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