A major part of classes is citing sources. I always end up looking up guides to build my citations. But here is a guide for all the citations styles!
But citations are generally the last part of an assignment. And research is a major part of an assignment!
GoogleScholar is great way to find sources. Here's some help to how to successfully use GoogleScholar.
Here's a guide to help make sure you're using primary sources and some different ways to find them!
This article details more ways to use and get newspaper sources.