APA (7th ed.) Citation

Needell, S. W., & Lewis, R. S. (1984). Geology and structure of Block Island Sound, Rhode Island and New York. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Needell, Sally W., and Ralph S. Lewis. Geology and Structure of Block Island Sound, Rhode Island and New York. Reston, Va.: U.S. Geological Survey, 1984.

MLA (9th ed.) Citation

Needell, Sally W., and Ralph S. Lewis. Geology and Structure of Block Island Sound, Rhode Island and New York. U.S. Geological Survey, 1984.