A citation from a book or other piece of writing is a passage or phrase from it. 引文A quotation is a sentence or phrase taken from a book, poem, speech, or play, which is repeated by someone else. 引文; 引语citation与quotation都有引用和引文的意思,但是由英文翻译可以明显发现,前者可以指代大片段落的引用,而后者仅仅指代一个短语或者一句话的引用。