APA (7th ed.) Citation

United States. Forest Service. Pacific Northwest Region. (1948). Umatilla National Forest, Oregon and Washington (Rev. Jan. 1948.). The Office.

Chicago Style (17th ed.) Citation

United States. Forest Service. Pacific Northwest Region. Umatilla National Forest, Oregon and Washington. Rev. Jan. 1948. [Portland, Or.]: The Office, 1948.

MLA (9th ed.) Citation

United States. Forest Service. Pacific Northwest Region. Umatilla National Forest, Oregon and Washington. Rev. Jan. 1948. The Office, 1948.