APA (7th ed.) Citation

Snyder, G. L. (1954). Eruption of Trident volcano, Katmai National Monument, Alaska, February-June 1953. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Snyder, George L. Eruption of Trident Volcano, Katmai National Monument, Alaska, February-June 1953. Washington, D.C.: United States Department of the Interior, Geological Survey, 1954.

MLA (9th ed.) Citation

Snyder, George L. Eruption of Trident Volcano, Katmai National Monument, Alaska, February-June 1953. United States Department of the Interior, Geological Survey, 1954.