Citazione Stile APA (7a Edizione)

Simkin, T., Siebert, L., & McCleand, L. (1981). Volcanoes of the world: A regional directory, gazetter and chronology of volcanism during the last 10,000 years. Hutchinson Ross.

Citazione stile Chigago Style (17a edizione)

Simkin, Tom, Lee Siebert, e Lindsey McCleand. Volcanoes of the World: A Regional Directory, Gazetter and Chronology of Volcanism During the Last 10,000 Years. Stroudsburg (Pa.): Hutchinson Ross, 1981.

Citatione MLA (8a ed.)

Simkin, Tom, et al. Volcanoes of the World: A Regional Directory, Gazetter and Chronology of Volcanism During the Last 10,000 Years. Hutchinson Ross, 1981.