APA (7th ed.) Citation

United States. Forest Service. (1938). Lag-screw joints, their behavior and desi. [s.n.].

Chicago Style (17th ed.) Citation

United States. Forest Service. Lag-screw Joints, Their Behavior and Desi. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. Forest Service. Lag-screw Joints, Their Behavior and Desi. [s.n.], 1938.

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