APA (7th ed.) Citation

Powers, H. A., Coats, R. R., & Nelson, W. H. (1960). Geology and submarine physiography of Amchitka Island, Alaska. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Powers, Howard A., Robert R. Coats, and Willis H. Nelson. Geology and Submarine Physiography of Amchitka Island, Alaska. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1960.

MLA (9th ed.) Citation

Powers, Howard A., et al. Geology and Submarine Physiography of Amchitka Island, Alaska. United States Department of the Interior, Geological Survey, 1960.