APA (7th ed.) Citation

Geological Survey (U.S.) & Hatch, N. L. (1991). The Bedrock geology of Massachusetts. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Norman L. Hatch. The Bedrock Geology of Massachusetts. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1991.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Norman L. Hatch. The Bedrock Geology of Massachusetts. U.S. Dept. of the Interior, U.S. Geological Survey, 1991.