APA (7th ed.) Citation

United States. Forest Service. (1938). Yield of even--aged stands of ponderosa pine. [s.n.].

Chicago Style (17th ed.) Citation

United States. Forest Service. Yield of Even--aged Stands of Ponderosa Pine. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. Forest Service. Yield of Even--aged Stands of Ponderosa Pine. [s.n.], 1938.