APA (7th ed.) Citation

McIntosh, W. L., & Eister, M. F. (1972). Geologic map index of Maine, 1970. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

McIntosh, Willard L., and Margaret F. Eister. Geologic Map Index of Maine, 1970. Washington: U.S. Geological Survey, 1972.

MLA (9th ed.) Citation

McIntosh, Willard L., and Margaret F. Eister. Geologic Map Index of Maine, 1970. U.S. Geological Survey, 1972.

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