<span>"Modern Language Association (MLA) no longer requires the use of URLs in MLA citations." M</span>LA still recommends the use of URLs when citing, but it recommends to shorten the URL. MLA is a <span>style that is most commonly used to write papers and cite sources within the liberal arts and humanities.</span><span>
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To introduce important facts, some writers begin with a signal phrase.
A signal phrase introduces information, facts from someone else so the phrase signals the reader that information comes from a different source that it is not the writer.
The basic format of a signal phrase is source name followed by signal phrase verb, for example<em> Freud states that...</em>