APA (7th ed.) Citation

Bowlsby, C. C., & Swanson, R. C. (1964). Soil survey, Tillamook area, Oregon. The Service.

Chicago Style (17th ed.) Citation

Bowlsby, Clyde Carlyle, and Richard C. Swanson. Soil Survey, Tillamook Area, Oregon. [Washington, D.C.?]: The Service, 1964.

MLA (9th ed.) Citation

Bowlsby, Clyde Carlyle, and Richard C. Swanson. Soil Survey, Tillamook Area, Oregon. The Service, 1964.