APA (7th ed.) Citation

Forest Products Laboratory (U.S.). (1919). How to make factory roof timbers last longer. [publisher not identified].

Chicago Style (17th ed.) Citation

Forest Products Laboratory (U.S.). How to Make Factory Roof Timbers Last Longer. Madison, Wisconsin: [publisher not identified], 1919.

MLA (9th ed.) Citation

Forest Products Laboratory (U.S.). How to Make Factory Roof Timbers Last Longer. [publisher not identified], 1919.

Warning: These citations may not always be 100% accurate.