APA Citation

Zimmermann, M. H., & Brown, C. L. (1971). Trees; structure and function.

Chicago Style Citation

Zimmermann, Martin H., and Claud L. Brown. Trees; Structure and Function. 1971.

MLA Citation

Zimmermann, Martin H., and Claud L. Brown. Trees; Structure and Function. 1971.

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