APA引文

Zimmermann, M. H. (1971). Trees structure and function. Springer verlag.

Chicago Edition Citation

Zimmermann, Martin H. Trees Structure and Function. Newyork: Springer verlag, 1971.

MLA引文

Zimmermann, Martin H. Trees Structure and Function. Springer verlag, 1971.

警告：這些引文格式不一定是100％准確.