APA引文

Nelson, T., & Dengler, N. (1997). Leaf Vascular Pattern Formation.

Citação norma Chicago

Nelson, T., and N. Dengler. Leaf Vascular Pattern Formation. 1997.

MLA引文

Nelson, T., and N. Dengler. Leaf Vascular Pattern Formation. 1997.

警告：這些引文格式不一定是100％准確.