Geological Survey (U.S.), Lipman, P. W., & Mullineaux, D. R. (1982). The 1980 eruptions of Mount St. Helens, Washington. U.S. Dept. of the Interior, U.S. Geological Survey ; For sale by the Supt. of Docs., U.S. G.P.O..
Цитирование в стиле Чикаго (17-е изд.)Geological Survey (U.S.), Peter W. Lipman, и Donal Ray Mullineaux. The 1980 Eruptions of Mount St. Helens, Washington. [Reston, Va.?] : Washington, D.C.: U.S. Dept. of the Interior, U.S. Geological Survey ; For sale by the Supt. of Docs., U.S. G.P.O., 1982.
Цитирование MLA (8-е изд.)Geological Survey (U.S.), et al. The 1980 Eruptions of Mount St. Helens, Washington. U.S. Dept. of the Interior, U.S. Geological Survey ; For sale by the Supt. of Docs., U.S. G.P.O., 1982.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.