Smithsonian Institution & Simkin, T. (1981). Volcanoes of the world: A regional directory, gazetteer, and chronology of volcanism during the last 10,000 years. Hutchison Ross Pub. Co..
Chicago Style (17th ed.) CitationSmithsonian Institution and T. Simkin. Volcanoes of the World: A Regional Directory, Gazetteer, and Chronology of Volcanism During the Last 10,000 Years. Stroudsburg, Pa.: Hutchison Ross Pub. Co., 1981.
MLA (9th ed.) CitationSmithsonian Institution and T. Simkin. Volcanoes of the World: A Regional Directory, Gazetteer, and Chronology of Volcanism During the Last 10,000 Years. Hutchison Ross Pub. Co., 1981.
Warning: These citations may not always be 100% accurate.