APA
White D. p., Leaf A. L., . (19). Forest fertilization. New York: State University College of Forestry.
Chicago
White Donald p, Leaf Albert L, . 19. Forest fertilization. New York: State University College of Forestry.
Harvard
White D. p., Leaf A. L., . (19). Forest fertilization. New York: State University College of Forestry.
MLA
White Donald p, Leaf Albert L, . Forest fertilization. New York: State University College of Forestry. 19.