APA (7th ed.) Citation

Sutton, R. F., & Tinus, R. W. (1983). Root and root system terminology. Society of American Foresters.

Chicago Style (17th ed.) Citation

Sutton, R. F., and Richard W. Tinus. Root and Root System Terminology. Washington, D.C.: Society of American Foresters, 1983.

MLA (9th ed.) Citation

Sutton, R. F., and Richard W. Tinus. Root and Root System Terminology. Society of American Foresters, 1983.