APA引文

Longani, V. (2018). A formula for the number of labelled trees.

Chicago Style Citation

Longani, Vites. A Formula for the Number of Labelled Trees. 2018.

MLA引文

Longani, Vites. A Formula for the Number of Labelled Trees. 2018.

警告：這些引文格式不一定是100％准確.