Hoff, R. J., McDonald, G. I., & Bingham, R. T. (1976). Mass selection for blister rust resistance: A method for natural regeneration of western white pine. U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station.
Chicago Style (17th ed.) CitationHoff, R. J., G. I. McDonald, and R. T. Bingham. Mass Selection for Blister Rust Resistance: A Method for Natural Regeneration of Western White Pine. Ogden, Utah: U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1976.
MLA (9th ed.) CitationHoff, R. J., et al. Mass Selection for Blister Rust Resistance: A Method for Natural Regeneration of Western White Pine. U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1976.