Whenever you include a paraphrase, summary, or direct quotation of another writer’s work in your paper, prepare your readers for it with an introduction called a signal phrase. I CHANGED TEXT HERE AND DELETED A PARAGRAPH BELOW.
Using signal phrases in MLA papers
Note that MLA style calls for present-tense verbs (argues) to introduce source material unless a date specifies the time of writing.
You can use signal phrases to
Using quotations appropriately
Synthesizing sources