Writing a research paper requires that you:
That's what citations are for. Unless you are stating your own ideas or common knowledge (such as that the Earth revolves around the sun), you will have to cite the source where the idea comes from.
Citing the sources you use in your paper:
Every source you use for a quotation or for an idea must be cited in your paper. When you write about a source, you will need to mark it with an in-text citation. Here are a couple of samples:
MLA style: Human beings have been described as "symbol-using animals" (Burke 3).
APA style: According to Jones (1998), "Students often had difficulty using APA style, especially when it was their first time" (p. 199).
Each of those in-text citations points to a full citation on the Works Cited or References page at the end of the paper. You will usually want a minimum of three sources for a very short paper, and the longer your paper is, the more sources you should have.
Before turning in your paper, you'll want to make sure that:
Continue through this guide to figure out how to get your citations, keep them in order, and use them well in your paper.
We have more complete guides to the most common citation styles.