Seidel, K. W., Geist, J. M., & Strickler, G. S. (1990). The influence of cattle grazing and grass seeding on coniferous regeneration after shelterwood cutting in eastern Oregon. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.
Chicago Style (17th ed.) CitationSeidel, Kenneth W., J. Michael Geist, and Gerald S. Strickler. The Influence of Cattle Grazing and Grass Seeding on Coniferous Regeneration After Shelterwood Cutting in Eastern Oregon. Portland, Or. (319 S.W. Pine St., P.O. Box 3890, Portland 97208-3890): U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1990.
MLA (9th ed.) CitationSeidel, Kenneth W., et al. The Influence of Cattle Grazing and Grass Seeding on Coniferous Regeneration After Shelterwood Cutting in Eastern Oregon. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1990.