Get help from Librarians across the University!
First - Why do you have to cite in the first place? North Carolina State University has created this great introduction.
Penn State University Libraries, along with other institutions, has created guides to help you with the citation process.
There are also several copies of the physical APA manual in the library.
If you prefer to use MLA Citation Style, here are some resources to help!
We also physical copies of the MLA manual available in the library's print collection.
Even if you find a scholarly journal or a newspaper article online make sure that you follow the guidelines for an ONLINE OR ELECTRONIC ARTICLE, including the addition of the DOI (Digital Object Identifier).
If you source is a website, make sure you provide more than just a VALID link to the site. You want to be sure that your readers can track down the site even if the link becomes broken.