United States. Forest Service. (1943). Tests of large timber columns and presentation of Forest Products Laboratory column formula. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Forest Service. Tests of Large Timber Columns and Presentation of Forest Products Laboratory Column Formula. [Washington]: [s.n.], 1943.
MLA (9th ed.) CitationUnited States. Forest Service. Tests of Large Timber Columns and Presentation of Forest Products Laboratory Column Formula. [s.n.], 1943.
Warning: These citations may not always be 100% accurate.