United States. Forest Service. (1933). Yellow poplar characteristics, growth, and management. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Forest Service. Yellow Poplar Characteristics, Growth, and Management. [Washington]: [s.n.], 1933.
MLA (9th ed.) CitationUnited States. Forest Service. Yellow Poplar Characteristics, Growth, and Management. [s.n.], 1933.
Warning: These citations may not always be 100% accurate.