APA引文

Belgium, G. 271/W.1: Www.greenpeace.org/belgium.

芝加哥风格引文

Belgium, Greenpeace. 271/W.1: Www.greenpeace.org/belgium.

MLA引文

Belgium, Greenpeace. 271/W.1: Www.greenpeace.org/belgium.

警告：这些引文格式不一定是100％准确.