APA (7th ed.) Citation

United States. Forest Service. (1937). Increasing growth and yield of young spruce pulpwood stands by girdling hardwoods. [s.n.].

Chicago Style (17th ed.) Citation

United States. Forest Service. Increasing Growth and Yield of Young Spruce Pulpwood Stands by Girdling Hardwoods. [Washington]: [s.n.], 1937.

MLA (9th ed.) Citation

United States. Forest Service. Increasing Growth and Yield of Young Spruce Pulpwood Stands by Girdling Hardwoods. [s.n.], 1937.

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