APA引文

Ruys, T. (2018). The Use of Force in International Law. Oxford.

芝加哥风格引文

Ruys, Tom. The Use of Force in International Law. Oxford, 2018.

MLA引文

Ruys, Tom. The Use of Force in International Law. Oxford, 2018.

警告：这些引文格式不一定是100％准确.