APA (7th ed.) Citation

Isaac, L. A. (1949). Better Douglas fir forests from better seed. University of Washington Press.

Chicago Style (17th ed.) Citation

Isaac, Leo A. Better Douglas Fir Forests from Better Seed. Seattle: University of Washington Press, 1949.

MLA (8th ed.) Citation

Isaac, Leo A. Better Douglas Fir Forests from Better Seed. University of Washington Press, 1949.

Warning: These citations may not always be 100% accurate.