APA (7th ed.) Citation

Gates, O., & Moench, R. H. (1981). Bimodal Silurian and Lower Devonian volcanic rock assemblages in the Machias-Eastport area, Maine. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Gates, Olcott, and Robert Hadley Moench. Bimodal Silurian and Lower Devonian Volcanic Rock Assemblages in the Machias-Eastport Area, Maine. Washington: United States Department of the Interior, Geological Survey, 1981.

MLA (9th ed.) Citation

Gates, Olcott, and Robert Hadley Moench. Bimodal Silurian and Lower Devonian Volcanic Rock Assemblages in the Machias-Eastport Area, Maine. United States Department of the Interior, Geological Survey, 1981.