Whether you are writing a research paper, a persuasive essay, or even a book report, it is important to know how to use sources to strengthen your writing. Having evidence for your arguments from reliable outside sources gives your writing a greater level of credibility. But simply copying someone else’s words into your essay is plagiarism and will result in a failing grade. Instead, you need to weave these sources in with your own writing and make sure you give credit where it is due by...