Cita APA (7a ed.)

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..

Cita Chicago Style (17a ed.)

Geological Survey (U.S.), Peter W. Lipman, y 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.

Cita MLA (8a ed.)

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.

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