APA引文

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.

Chicago Style (17th ed.) Citation

Korosec, M. A., James G. Rigby, and 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.

MLA引文

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.

警告：這些引文格式不一定是100％准確.