Korosec, M. A., Rigby, J. G., & Stoffel, K. L. (1980). The 1980 eruption of Mount St. Helens, Washington. Washington State Dept. of Natural Resources, Division of Geology and Earth Resources.
Style de citation Chicago (17e éd.)Korosec, M. A., James G. Rigby, et Keith L. Stoffel. The 1980 Eruption of Mount St. Helens, Washington. Olympia: Washington State Dept. of Natural Resources, Division of Geology and Earth Resources, 1980.
Style de citation MLA (8e éd.)Korosec, M. A., et al. The 1980 Eruption of Mount St. Helens, Washington. Washington State Dept. of Natural Resources, Division of Geology and Earth Resources, 1980.
Attention : ces citations peuvent ne pas être correctes à 100%.