APA (7th ed.) Citation

Duke, K. M., Townsend, G. M., & White, W. A. (1989). An economic analysis of fertilization and thining effects on Douglas-fir stands at Shawnigan Lake. Forestry Canada.

Chicago Style (17th ed.) Citation

Duke, K. M., G. M. Townsend, and W. A. White. An Economic Analysis of Fertilization and Thining Effects on Douglas-fir Stands at Shawnigan Lake. Victoria, B.C.: Forestry Canada, 1989.

MLA (9th ed.) Citation

Duke, K. M., et al. An Economic Analysis of Fertilization and Thining Effects on Douglas-fir Stands at Shawnigan Lake. Forestry Canada, 1989.