Dunwoody, C. G., & Edgerton, E. R. (1937). White pine blister rust: The control problem in the West. California Chamber of Commerce?].
Cita Chicago Style (17a ed.)Dunwoody, Charles G., y E. Ralph Edgerton. White Pine Blister Rust: The Control Problem in the West. [California?: California Chamber of Commerce?], 1937.
Cita MLA (8a ed.)Dunwoody, Charles G., y E. Ralph Edgerton. White Pine Blister Rust: The Control Problem in the West. California Chamber of Commerce?], 1937.
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