You usually don't have to create your own citations for scholarly articles, since almost all of our databases have a button that creates a citation in the style of your choice. See this video for how to find them:
* Video on the way! *
Managing the citations is much easier using Zotero, a free and easy citation management app for Windows and Mac. You can store citations and pdfs, create and share collection, generate bibliographies and in-text citations, use a browser add-on for quick adds to your bibliography, and many other useful tasks. This video shows you how to install and use it.