Gaya APA

Major, J, J. (). Volcaniclastic Sedimentation in the Lewis River Valley, Mount St. Helens, Washington - Processes, Extent, and Hazards . Washington: U.S.Geological Survey.

Gaya MLA

Major, Jon, J.. "Volcaniclastic Sedimentation in the Lewis River Valley, Mount St. Helens, Washington - Processes, Extent, and Hazards". Washington: U.S.Geological Survey, . Text.