APA (7th ed.) Citation

Zimmermann, M. H., Brown, C. L., & Tyree, M. T. (1971). Trees: Structure and function. Springer-Verlag.

Chicago Style (17th ed.) Citation

Zimmermann, Martin H., Claud L. Brown, and Melvin T. Tyree. Trees: Structure and Function. Berlin: Springer-Verlag, 1971.

MLA (9th ed.) Citation

Zimmermann, Martin H., et al. Trees: Structure and Function. Springer-Verlag, 1971.