United States. Department of Agriculture. (1929). Strength of North American woods. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Strength of North American Woods. [Washington]: [publisher not identified], 1929.
MLA (9th ed.) CitationUnited States. Department of Agriculture. Strength of North American Woods. [publisher not identified], 1929.
Warning: These citations may not always be 100% accurate.