APA (7th ed.) Citation

United States. Forest Service. (1912). Oregon oak. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Forest Service. Oregon Oak. [Washington]: [publisher not identified], 1912.

MLA (9th ed.) Citation

United States. Forest Service. Oregon Oak. [publisher not identified], 1912.

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