Foxworthy, B. L., & Hill, M. (1982). Volcanic eruptions of 1980 at Mount St. Helens: The first 100 days. U.S. G.P.O..
Style de citation Chicago (17e éd.)Foxworthy, B. L., et Mary Hill. Volcanic Eruptions of 1980 at Mount St. Helens: The First 100 Days. Washington: U.S. G.P.O., 1982.
Style de citation MLA (8e éd.)Foxworthy, B. L., et Mary Hill. Volcanic Eruptions of 1980 at Mount St. Helens: The First 100 Days. U.S. G.P.O., 1982.
Attention : ces citations peuvent ne pas être correctes à 100%.