APA (7th ed.) Citation

Smith, P. S. (1916). Notes on the geology of Gravina Island, Alaska. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Smith, Philip S. Notes on the Geology of Gravina Island, Alaska. Washington: Department of the Interior, United States Geological Survey, 1916.

MLA (9th ed.) Citation

Smith, Philip S. Notes on the Geology of Gravina Island, Alaska. Department of the Interior, United States Geological Survey, 1916.

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