Patterson, P. A., Neiman, K. E., & Tonn, J. R. (1985). Field guide to forest plants of Northern Idaho. U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station.
Cita Chicago Style (17a ed.)Patterson, Patricia A., Kenneth E. Neiman, y Jonalea R. Tonn. Field Guide to Forest Plants of Northern Idaho. U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1985.
Cita MLA (8a ed.)Patterson, Patricia A., et al. Field Guide to Forest Plants of Northern Idaho. U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1985.
Precaución: Estas citas no son 100% exactas.