引用 (yǐn yòng): to quote; to cite; to recommend; to appoint; (computing) reference

In his graduation thesis, he cited a large amount of primary sources to support his argument.

The professor quoted a line from The Analects in the lecture and explained it very vividly.

When writing a report, it's best to cite official statistics; that way it's more convincing.

That news report quoted eyewitness accounts and reconstructed the process of the accident.

His speech quoted many famous sayings and inspired all the students present.

To avoid plagiarism, you must indicate the source when you quote someone else's opinion.