APA (7th ed.) Citation

Cochran, P. H., Lopushinsky, W., & McColley, P. D. (1986). Effect of operational fertilization on foliar nutrient content and growth of young douglas-fir and Pacific silver fir. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.

Chicago Style (17th ed.) Citation

Cochran, P. H., W. Lopushinsky, and P. D. McColley. Effect of Operational Fertilization on Foliar Nutrient Content and Growth of Young Douglas-fir and Pacific Silver Fir. Portland, Or.: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1986.

MLA (9th ed.) Citation

Cochran, P. H., et al. Effect of Operational Fertilization on Foliar Nutrient Content and Growth of Young Douglas-fir and Pacific Silver Fir. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1986.