APA (7th ed.) Citation

Stokes, A. (1995). The shape of tree root systems affects root wood strength. FZKA.

Chicago Style (17th ed.) Citation

Stokes, A. The Shape of Tree Root Systems Affects Root Wood Strength. Karlsruhe: FZKA, 1995.

MLA (9th ed.) Citation

Stokes, A. The Shape of Tree Root Systems Affects Root Wood Strength. FZKA, 1995.

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