Pearson, G. A. (1912). The influence of age and condition of the tree upon seed production in western yellow pine. G.P.O..
Chicago Style (17th ed.) CitationPearson, G. A. The Influence of Age and Condition of the Tree upon Seed Production in Western Yellow Pine. Washington, D.C.: G.P.O., 1912.
MLA (8th ed.) CitationPearson, G. A. The Influence of Age and Condition of the Tree upon Seed Production in Western Yellow Pine. G.P.O., 1912.
Warning: These citations may not always be 100% accurate.