* Verb: When used to mean "to quote (a passage, book, author, etc.), especially as an authority," it's a verb.
* Example: "The student cited several sources in her research paper."
* Noun: It can also be a noun meaning "a quotation from a book, article, etc., typically in support of an argument."
* Example: "The professor included several cites in his lecture."
So, the part of speech for "cite" depends on the context.