Geist, J. M., Hazard, J. W., & Seidel, K. W. (2008). Juvenile tree growth on some volcanic ash soils disturbed by prior forest harvest. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.
Chicago Style (17th ed.) CitationGeist, J. Michael, John W. Hazard, and Kenneth W. Seidel. Juvenile Tree Growth on Some Volcanic Ash Soils Disturbed by Prior Forest Harvest. Portland, OR: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2008.
MLA (9th ed.) CitationGeist, J. Michael, et al. Juvenile Tree Growth on Some Volcanic Ash Soils Disturbed by Prior Forest Harvest. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2008.
Warning: These citations may not always be 100% accurate.