APA (7th ed.) Citation

Oregon Historical Society & Schaeffer, C. E. (1959). Indian tribes and languages of the Old Oregon Country (2nd ed.). The Society.

Chicago Style (17th ed.) Citation

Oregon Historical Society and Claude E. Schaeffer. Indian Tribes and Languages of the Old Oregon Country. 2nd ed. Portland: The Society, 1959.

MLA (8th ed.) Citation

Oregon Historical Society and Claude E. Schaeffer. Indian Tribes and Languages of the Old Oregon Country. 2nd ed. The Society, 1959.

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